39218907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7603

約数の個数: 32

約数和(自身を含む): 67755520

約数和(自身を除く): 28536613

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7561, 22683, 52927, 98293, 143659, 158781, 294879, 430977, 688051, 1005613, 1867567, 2064153, 3016839, 5602701, 13072969, 39218907]

約数ペア:

[(1, 39218907), (3, 13072969), (7, 5602701), (13, 3016839), (19, 2064153), (21, 1867567), (39, 1005613), (57, 688051), (91, 430977), (133, 294879), (247, 158781), (273, 143659), (399, 98293), (741, 52927), (1729, 22683), (5187, 7561)]