31580415

素因数分解:

$3^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 56376000

約数和(自身を除く): 24795585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 449, 521, 1347, 1563, 2245, 2605, 4041, 4689, 6735, 7815, 12123, 14067, 20205, 23445, 60615, 70335, 233929, 701787, 1169645, 2105361, 3508935, 6316083, 10526805, 31580415]

約数ペア:

[(1, 31580415), (3, 10526805), (5, 6316083), (9, 3508935), (15, 2105361), (27, 1169645), (45, 701787), (135, 233929), (449, 70335), (521, 60615), (1347, 23445), (1563, 20205), (2245, 14067), (2605, 12123), (4041, 7815), (4689, 6735)]