28220715

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5861}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 49381488

約数和(自身を除く): 21160773

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 5861, 17583, 29305, 52749, 87915, 263745, 627127, 1881381, 3135635, 5644143, 9406905, 28220715]

約数ペア:

[(1, 28220715), (3, 9406905), (5, 5644143), (9, 3135635), (15, 1881381), (45, 627127), (107, 263745), (321, 87915), (535, 52749), (963, 29305), (1605, 17583), (4815, 5861)]