31387111

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 37730304

約数和(自身を除く): 6343193

約数列:

[1, 7, 23, 137, 161, 959, 1423, 3151, 9961, 22057, 32729, 194951, 229103, 1364657, 4483873, 31387111]

約数ペア:

[(1, 31387111), (7, 4483873), (23, 1364657), (137, 229103), (161, 194951), (959, 32729), (1423, 22057), (3151, 9961)]