81825919

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{3407}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 96841728

約数和(自身を除く): 15015809

約数列:

[1, 7, 47, 73, 329, 511, 3407, 3431, 23849, 24017, 160129, 248711, 1120903, 1740977, 11689417, 81825919]

約数ペア:

[(1, 81825919), (7, 11689417), (47, 1740977), (73, 1120903), (329, 248711), (511, 160129), (3407, 24017), (3431, 23849)]