15581657

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 19889352

約数和(自身を除く): 4307695

約数列:

[1, 7, 13, 49, 61, 91, 401, 427, 637, 793, 2807, 2989, 5213, 5551, 19649, 24461, 36491, 38857, 171227, 255437, 317993, 1198589, 2225951, 15581657]

約数ペア:

[(1, 15581657), (7, 2225951), (13, 1198589), (49, 317993), (61, 255437), (91, 171227), (401, 38857), (427, 36491), (637, 24461), (793, 19649), (2807, 5551), (2989, 5213)]