30918015

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9677}}^1$

素因数の和:9759

約数の個数: 24

約数和(自身を含む): 54351648

約数和(自身を除く): 23433633

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 9677, 29031, 48385, 87093, 145155, 435465, 687067, 2061201, 3435335, 6183603, 10306005, 30918015]

約数ペア:

[(1, 30918015), (3, 10306005), (5, 6183603), (9, 3435335), (15, 2061201), (45, 687067), (71, 435465), (213, 145155), (355, 87093), (639, 48385), (1065, 29031), (3195, 9677)]