20121247137

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1\times {\mathrm{166021}}^1$

素因数の和:166664

約数の個数: 16

約数和(自身を含む): 27254171520

約数和(自身を除く): 7132924383

約数列:

[1, 3, 71, 213, 569, 1707, 40399, 121197, 166021, 498063, 11787491, 35362473, 94465949, 283397847, 6707082379, 20121247137]

約数ペア:

[(1, 20121247137), (3, 6707082379), (71, 283397847), (213, 94465949), (569, 35362473), (1707, 11787491), (40399, 498063), (121197, 166021)]