2745945

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 4804800

約数和(自身を除く): 2058855

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 439, 695, 1251, 1317, 2085, 2195, 3951, 6255, 6585, 19755, 61021, 183063, 305105, 549189, 915315, 2745945]

約数ペア:

[(1, 2745945), (3, 915315), (5, 549189), (9, 305105), (15, 183063), (45, 61021), (139, 19755), (417, 6585), (439, 6255), (695, 3951), (1251, 2195), (1317, 2085)]