80811909

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 119688192

約数和(自身を除く): 38876283

約数列:

[1, 3, 9, 53, 159, 191, 477, 573, 887, 1719, 2661, 7983, 10123, 30369, 47011, 91107, 141033, 169417, 423099, 508251, 1524753, 8979101, 26937303, 80811909]

約数ペア:

[(1, 80811909), (3, 26937303), (9, 8979101), (53, 1524753), (159, 508251), (191, 423099), (477, 169417), (573, 141033), (887, 91107), (1719, 47011), (2661, 30369), (7983, 10123)]