81607851

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5407}}^1$

素因数の和:5472

約数の個数: 32

約数和(自身を含む): 133253120

約数和(自身を除く): 51645269

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 5407, 15093, 16221, 48663, 70291, 145989, 210873, 232501, 632619, 697503, 1897857, 2092509, 3022513, 6277527, 9067539, 27202617, 81607851]

約数ペア:

[(1, 81607851), (3, 27202617), (9, 9067539), (13, 6277527), (27, 3022513), (39, 2092509), (43, 1897857), (117, 697503), (129, 632619), (351, 232501), (387, 210873), (559, 145989), (1161, 70291), (1677, 48663), (5031, 16221), (5407, 15093)]