408088821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2441}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 656409600

約数和(自身を除く): 248320779

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 419, 1257, 2441, 2933, 7323, 7961, 8799, 17087, 23883, 46379, 51261, 55727, 139137, 167181, 324653, 973959, 1022779, 3068337, 7159453, 19432801, 21478359, 58298403, 136029607, 408088821]

約数ペア:

[(1, 408088821), (3, 136029607), (7, 58298403), (19, 21478359), (21, 19432801), (57, 7159453), (133, 3068337), (399, 1022779), (419, 973959), (1257, 324653), (2441, 167181), (2933, 139137), (7323, 55727), (7961, 51261), (8799, 46379), (17087, 23883)]