31042005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 51667968

約数和(自身を除く): 20625963

約数列:

[1, 3, 5, 15, 31, 93, 155, 241, 277, 465, 723, 831, 1205, 1385, 3615, 4155, 7471, 8587, 22413, 25761, 37355, 42935, 66757, 112065, 128805, 200271, 333785, 1001355, 2069467, 6208401, 10347335, 31042005]

約数ペア:

[(1, 31042005), (3, 10347335), (5, 6208401), (15, 2069467), (31, 1001355), (93, 333785), (155, 200271), (241, 128805), (277, 112065), (465, 66757), (723, 42935), (831, 37355), (1205, 25761), (1385, 22413), (3615, 8587), (4155, 7471)]