31375239

素因数分解:

$3^1\times 7^3\times {\mathrm{30491}}^1$

素因数の和:30515

約数の個数: 16

約数和(自身を含む): 48787200

約数和(自身を除く): 17411961

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 30491, 91473, 213437, 640311, 1494059, 4482177, 10458413, 31375239]

約数ペア:

[(1, 31375239), (3, 10458413), (7, 4482177), (21, 1494059), (49, 640311), (147, 213437), (343, 91473), (1029, 30491)]