28748205

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5861}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 50295960

約数和(自身を除く): 21547755

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 5861, 17583, 29305, 52749, 87915, 263745, 638849, 1916547, 3194245, 5749641, 9582735, 28748205]

約数ペア:

[(1, 28748205), (3, 9582735), (5, 5749641), (9, 3194245), (15, 1916547), (45, 638849), (109, 263745), (327, 87915), (545, 52749), (981, 29305), (1635, 17583), (4905, 5861)]