81120507

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{160001}}^1$

素因数の和:160030

約数の個数: 12

約数和(自身を含む): 117121464

約数和(自身を除く): 36000957

約数列:

[1, 3, 13, 39, 169, 507, 160001, 480003, 2080013, 6240039, 27040169, 81120507]

約数ペア:

[(1, 81120507), (3, 27040169), (13, 6240039), (39, 2080013), (169, 480003), (507, 160001)]