71683209

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47129}}^1$

素因数の和:47161

約数の個数: 18

約数和(自身を含む): 112122270

約数和(自身を除く): 40439061

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 47129, 141387, 424161, 612677, 1838031, 5514093, 7964801, 23894403, 71683209]

約数ペア:

[(1, 71683209), (3, 23894403), (9, 7964801), (13, 5514093), (39, 1838031), (117, 612677), (169, 424161), (507, 141387), (1521, 47129)]