56691405

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40639}}^1$

素因数の和:40681

約数の個数: 24

約数和(自身を含む): 101437440

約数和(自身を除く): 44746035

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 40639, 121917, 203195, 365751, 609585, 1259809, 1828755, 3779427, 6299045, 11338281, 18897135, 56691405]

約数ペア:

[(1, 56691405), (3, 18897135), (5, 11338281), (9, 6299045), (15, 3779427), (31, 1828755), (45, 1259809), (93, 609585), (155, 365751), (279, 203195), (465, 121917), (1395, 40639)]