8166981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 11340288

約数和(自身を除く): 3173307

約数列:

[1, 3, 31, 93, 137, 411, 641, 1923, 4247, 12741, 19871, 59613, 87817, 263451, 2722327, 8166981]

約数ペア:

[(1, 8166981), (3, 2722327), (31, 263451), (93, 87817), (137, 59613), (411, 19871), (641, 12741), (1923, 4247)]