81309109

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 95550336

約数和(自身を除く): 14241227

約数列:

[1, 7, 41, 287, 491, 577, 3437, 4039, 20131, 23657, 140917, 165599, 283307, 1983149, 11615587, 81309109]

約数ペア:

[(1, 81309109), (7, 11615587), (41, 1983149), (287, 283307), (491, 165599), (577, 140917), (3437, 23657), (4039, 20131)]