12239991

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1252

約数の個数: 20

約数和(自身を含む): 18434592

約数和(自身を除く): 6194601

約数列:

[1, 3, 9, 27, 81, 137, 411, 1103, 1233, 3309, 3699, 9927, 11097, 29781, 89343, 151111, 453333, 1359999, 4079997, 12239991]

約数ペア:

[(1, 12239991), (3, 4079997), (9, 1359999), (27, 453333), (81, 151111), (137, 89343), (411, 29781), (1103, 11097), (1233, 9927), (3309, 3699)]