80002881

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12329}}^1$

素因数の和:12445

約数の個数: 24

約数和(自身を含む): 133361280

約数和(自身を除く): 53358399

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 12329, 36987, 86303, 110961, 258909, 776727, 1269887, 3809661, 8889209, 11428983, 26667627, 80002881]

約数ペア:

[(1, 80002881), (3, 26667627), (7, 11428983), (9, 8889209), (21, 3809661), (63, 1269887), (103, 776727), (309, 258909), (721, 110961), (927, 86303), (2163, 36987), (6489, 12329)]