87661931

素因数分解:

$7^2\times {\mathrm{1303}}^1\times {\mathrm{1373}}^1$

素因数の和:2690

約数の個数: 12

約数和(自身を含む): 102126672

約数和(自身を除く): 14464741

約数列:

[1, 7, 49, 1303, 1373, 9121, 9611, 63847, 67277, 1789019, 12523133, 87661931]

約数ペア:

[(1, 87661931), (7, 12523133), (49, 1789019), (1303, 67277), (1373, 63847), (9121, 9611)]