85385729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 105302592

約数和(自身を除く): 19916863

約数列:

[1, 11, 13, 23, 143, 169, 253, 299, 1859, 1997, 3289, 3887, 21967, 25961, 42757, 45931, 285571, 337493, 505241, 597103, 3712423, 6568133, 7762339, 85385729]

約数ペア:

[(1, 85385729), (11, 7762339), (13, 6568133), (23, 3712423), (143, 597103), (169, 505241), (253, 337493), (299, 285571), (1859, 45931), (1997, 42757), (3289, 25961), (3887, 21967)]