68861421

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{4451}}^1$

素因数の和:4654

約数の個数: 20

約数和(自身を含む): 103428864

約数和(自身を除く): 34567443

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 4451, 5157, 13353, 15471, 40059, 120177, 360531, 850141, 2550423, 7651269, 22953807, 68861421]

約数ペア:

[(1, 68861421), (3, 22953807), (9, 7651269), (27, 2550423), (81, 850141), (191, 360531), (573, 120177), (1719, 40059), (4451, 15471), (5157, 13353)]