31551147

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{47}}^2$

素因数の和:149

約数の個数: 36

約数和(自身を含む): 49924840

約数和(自身を除く): 18373693

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 529, 621, 1081, 1269, 1587, 2209, 3243, 4761, 6627, 9729, 14283, 19881, 24863, 29187, 50807, 59643, 74589, 152421, 223767, 457263, 671301, 1168561, 1371789, 3505683, 10517049, 31551147]

約数ペア:

[(1, 31551147), (3, 10517049), (9, 3505683), (23, 1371789), (27, 1168561), (47, 671301), (69, 457263), (141, 223767), (207, 152421), (423, 74589), (529, 59643), (621, 50807), (1081, 29187), (1269, 24863), (1587, 19881), (2209, 14283), (3243, 9729), (4761, 6627)]