129321775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{42751}}^1$

素因数の和:42783

約数の個数: 18

約数和(自身を含む): 176266496

約数和(自身を除く): 46944721

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 42751, 213755, 470261, 1068775, 2351305, 5172871, 11756525, 25864355, 129321775]

約数ペア:

[(1, 129321775), (5, 25864355), (11, 11756525), (25, 5172871), (55, 2351305), (121, 1068775), (275, 470261), (605, 213755), (3025, 42751)]