318208737

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{81031}}^1$

素因数の和:81069

約数の個数: 32

約数和(自身を含む): 560093184

約数和(自身を除く): 241884447

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 81031, 243093, 567217, 891341, 1377527, 1701651, 2674023, 4132581, 6239387, 9642689, 15152797, 18718161, 28928067, 45458391, 106069579, 318208737]

約数ペア:

[(1, 318208737), (3, 106069579), (7, 45458391), (11, 28928067), (17, 18718161), (21, 15152797), (33, 9642689), (51, 6239387), (77, 4132581), (119, 2674023), (187, 1701651), (231, 1377527), (357, 891341), (561, 567217), (1309, 243093), (3927, 81031)]