28343907

素因数分解:

$3^2\times {\mathrm{139}}^2\times {\mathrm{163}}^1$

素因数の和:447

約数の個数: 18

約数和(自身を含む): 41490852

約数和(自身を除く): 13146945

約数列:

[1, 3, 9, 139, 163, 417, 489, 1251, 1467, 19321, 22657, 57963, 67971, 173889, 203913, 3149323, 9447969, 28343907]

約数ペア:

[(1, 28343907), (3, 9447969), (9, 3149323), (139, 203913), (163, 173889), (417, 67971), (489, 57963), (1251, 22657), (1467, 19321)]