9,278,721

3² × 283 × 3643

9,278,721 is odd and not a perfect square. Its factorization is 3^2 × 283 × 3643 and its 12 divisors sum to 13,453,648.

Prime Factor Structure

Factorization String 3^2 × 283 × 3643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 13,453,648

Proper Divisor Sum 4,174,927

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #9278713 ← → #9278723

1 3 9 283 849 2,547 3,643 10,929 32,787 1,030,969 3,092,907 9,278,721

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

9,278,721 27,836,164 13,918,082 6,959,041 20,877,124 10,438,562 5,219,281 15,657,844 7,828,922 3,914,461 11,743,384 5,871,692 2,935,846 1,467,923 4,403,770 2,201,885 6,605,656 3,302,828 1,651,414 825,707 2,477,122 1,238,561 3,715,684 1,857,842 928,921 2,786,764 1,393,382 696,691 2,090,074 1,045,037 3,135,112 1,567,556 783,778 391,889 1,175,668 587,834 293,917 881,752 440,876 220,438 110,219 330,658 165,329 495,988 247,994 123,997 371,992 185,996 92,998 46,499 139,498 69,749 209,248 104,624 52,312 26,156 13,078 6,539 19,618 9,809