87131107

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 104343552

約数和(自身を除く): 17212445

約数列:

[1, 7, 23, 161, 271, 1897, 1997, 6233, 13979, 43631, 45931, 321517, 541187, 3788309, 12447301, 87131107]

約数ペア:

[(1, 87131107), (7, 12447301), (23, 3788309), (161, 541187), (271, 321517), (1897, 45931), (1997, 43631), (6233, 13979)]