18360945

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 32826240

約数和(自身を除く): 14465295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 491, 831, 1385, 1473, 2455, 2493, 4155, 4419, 7365, 7479, 12465, 13257, 22095, 37395, 66285, 136007, 408021, 680035, 1224063, 2040105, 3672189, 6120315, 18360945]

約数ペア:

[(1, 18360945), (3, 6120315), (5, 3672189), (9, 2040105), (15, 1224063), (27, 680035), (45, 408021), (135, 136007), (277, 66285), (491, 37395), (831, 22095), (1385, 13257), (1473, 12465), (2455, 7479), (2493, 7365), (4155, 4419)]