1226771

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 24

約数和(自身を含む): 1633824

約数和(自身を除く): 407053

約数列:

[1, 7, 13, 17, 61, 91, 119, 169, 221, 427, 793, 1037, 1183, 1547, 2873, 5551, 7259, 10309, 13481, 20111, 72163, 94367, 175253, 1226771]

約数ペア:

[(1, 1226771), (7, 175253), (13, 94367), (17, 72163), (61, 20111), (91, 13481), (119, 10309), (169, 7259), (221, 5551), (427, 2873), (793, 1547), (1037, 1183)]