81681061

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{25873}}^1$

素因数の和:25932

約数の個数: 16

約数和(自身を含む): 104323968

約数和(自身を除く): 22642907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 25873, 181111, 284603, 1060793, 1992221, 7425551, 11668723, 81681061]

約数ペア:

[(1, 81681061), (7, 11668723), (11, 7425551), (41, 1992221), (77, 1060793), (287, 284603), (451, 181111), (3157, 25873)]