208300239

素因数分解:

$3^2\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{2753}}^1$

素因数の和:3967

約数の個数: 24

約数和(自身を含む): 344272032

約数和(自身を除く): 135971793

約数列:

[1, 3, 7, 9, 21, 63, 1201, 2753, 3603, 8259, 8407, 10809, 19271, 24777, 25221, 57813, 75663, 173439, 3306353, 9919059, 23144471, 29757177, 69433413, 208300239]

約数ペア:

[(1, 208300239), (3, 69433413), (7, 29757177), (9, 23144471), (21, 9919059), (63, 3306353), (1201, 173439), (2753, 75663), (3603, 57813), (8259, 25221), (8407, 24777), (10809, 19271)]