31082121

素因数分解:

$3^2\times 7^2\times {\mathrm{70481}}^1$

素因数の和:70501

約数の個数: 18

約数和(自身を含む): 52227162

約数和(自身を除く): 21145041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 70481, 211443, 493367, 634329, 1480101, 3453569, 4440303, 10360707, 31082121]

約数ペア:

[(1, 31082121), (3, 10360707), (7, 4440303), (9, 3453569), (21, 1480101), (49, 634329), (63, 493367), (147, 211443), (441, 70481)]