81322577

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 100499520

約数和(自身を除く): 19176943

約数列:

[1, 7, 17, 61, 119, 289, 427, 659, 1037, 2023, 4613, 7259, 11203, 17629, 40199, 78421, 123403, 190451, 281393, 683383, 1333157, 4783681, 11617511, 81322577]

約数ペア:

[(1, 81322577), (7, 11617511), (17, 4783681), (61, 1333157), (119, 683383), (289, 281393), (427, 190451), (659, 123403), (1037, 78421), (2023, 40199), (4613, 17629), (7259, 11203)]