208078731

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{80557}}^1$

素因数の和:80611

約数の個数: 24

約数和(自身を含む): 351877344

約数和(自身を除く): 143798613

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 80557, 241671, 563899, 725013, 1691697, 3302837, 5075091, 9908511, 23119859, 29725533, 69359577, 208078731]

約数ペア:

[(1, 208078731), (3, 69359577), (7, 29725533), (9, 23119859), (21, 9908511), (41, 5075091), (63, 3302837), (123, 1691697), (287, 725013), (369, 563899), (861, 241671), (2583, 80557)]