15280985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 19049472

約数和(自身を除く): 3768487

約数列:

[1, 5, 31, 155, 311, 317, 1555, 1585, 9641, 9827, 48205, 49135, 98587, 492935, 3056197, 15280985]

約数ペア:

[(1, 15280985), (5, 3056197), (31, 492935), (155, 98587), (311, 49135), (317, 48205), (1555, 9827), (1585, 9641)]