129339469

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 20

約数和(自身を含む): 152643296

約数和(自身を除く): 23303827

約数列:

[1, 7, 49, 103, 343, 523, 721, 2401, 3661, 5047, 25627, 35329, 53869, 179389, 247303, 377083, 1255723, 2639581, 18477067, 129339469]

約数ペア:

[(1, 129339469), (7, 18477067), (49, 2639581), (103, 1255723), (343, 377083), (523, 247303), (721, 179389), (2401, 53869), (3661, 35329), (5047, 25627)]