128199009

素因数分解:

$3^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 172753920

約数和(自身を除く): 44554911

約数列:

[1, 3, 191, 229, 573, 687, 977, 2931, 43739, 131217, 186607, 223733, 559821, 671199, 42733003, 128199009]

約数ペア:

[(1, 128199009), (3, 42733003), (191, 671199), (229, 559821), (573, 223733), (687, 186607), (977, 131217), (2931, 43739)]