81615653

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{661}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 96599040

約数和(自身を除く): 14983387

約数列:

[1, 7, 31, 217, 569, 661, 3983, 4627, 17639, 20491, 123473, 143437, 376109, 2632763, 11659379, 81615653]

約数ペア:

[(1, 81615653), (7, 11659379), (31, 2632763), (217, 376109), (569, 143437), (661, 123473), (3983, 20491), (4627, 17639)]