39820581

素因数分解:

$3^2\times {\mathrm{139}}^2\times {\mathrm{229}}^1$

素因数の和:513

約数の個数: 18

約数和(自身を含む): 58188390

約数和(自身を除く): 18367809

約数列:

[1, 3, 9, 139, 229, 417, 687, 1251, 2061, 19321, 31831, 57963, 95493, 173889, 286479, 4424509, 13273527, 39820581]

約数ペア:

[(1, 39820581), (3, 13273527), (9, 4424509), (139, 286479), (229, 173889), (417, 95493), (687, 57963), (1251, 31831), (2061, 19321)]