68916561

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{7309}}^1$

素因数の和:7768

約数の個数: 16

約数和(自身を含む): 105264000

約数和(自身を除く): 36347439

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 7309, 9429, 21927, 51163, 153489, 3281741, 9845223, 22972187, 68916561]

約数ペア:

[(1, 68916561), (3, 22972187), (7, 9845223), (21, 3281741), (449, 153489), (1347, 51163), (3143, 21927), (7309, 9429)]