12705081

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 17476800

約数和(自身を除く): 4771719

約数列:

[1, 3, 43, 129, 149, 447, 661, 1983, 6407, 19221, 28423, 85269, 98489, 295467, 4235027, 12705081]

約数ペア:

[(1, 12705081), (3, 4235027), (43, 295467), (129, 98489), (149, 85269), (447, 28423), (661, 19221), (1983, 6407)]