1280407737

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1487117}}^1$

素因数の和:1487168

約数の個数: 16

約数和(自身を含む): 1998686592

約数和(自身を除く): 718278855

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1487117, 4461351, 10409819, 31229457, 60971797, 182915391, 426802579, 1280407737]

約数ペア:

[(1, 1280407737), (3, 426802579), (7, 182915391), (21, 60971797), (41, 31229457), (123, 10409819), (287, 4461351), (861, 1487117)]