51216711

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26801}}^1$

素因数の和:26831

約数の個数: 24

約数和(自身を含む): 85551984

約数和(自身を除く): 34335273

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 26801, 80403, 187607, 348413, 562821, 1045239, 1313249, 2438891, 3939747, 7316673, 17072237, 51216711]

約数ペア:

[(1, 51216711), (3, 17072237), (7, 7316673), (13, 3939747), (21, 2438891), (39, 1313249), (49, 1045239), (91, 562821), (147, 348413), (273, 187607), (637, 80403), (1911, 26801)]