208300911

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109001}}^1$

素因数の和:109031

約数の個数: 24

約数和(自身を含む): 347934384

約数和(自身を除く): 139633473

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 109001, 327003, 763007, 1417013, 2289021, 4251039, 5341049, 9919091, 16023147, 29757273, 69433637, 208300911]

約数ペア:

[(1, 208300911), (3, 69433637), (7, 29757273), (13, 16023147), (21, 9919091), (39, 5341049), (49, 4251039), (91, 2289021), (147, 1417013), (273, 763007), (637, 327003), (1911, 109001)]