9959005

素因数分解:

$5^1\times 7^3\times {\mathrm{5807}}^1$

素因数の和:5833

約数の個数: 16

約数和(自身を含む): 13939200

約数和(自身を除く): 3980195

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 5807, 29035, 40649, 203245, 284543, 1422715, 1991801, 9959005]

約数ペア:

[(1, 9959005), (5, 1991801), (7, 1422715), (35, 284543), (49, 203245), (245, 40649), (343, 29035), (1715, 5807)]