68369913

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{17959}}^1$

素因数の和:18018

約数の個数: 20

約数和(自身を含む): 104311680

約数和(自身を除く): 35941767

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 17959, 53877, 161631, 484893, 844073, 1454679, 2532219, 7596657, 22789971, 68369913]

約数ペア:

[(1, 68369913), (3, 22789971), (9, 7596657), (27, 2532219), (47, 1454679), (81, 844073), (141, 484893), (423, 161631), (1269, 53877), (3807, 17959)]