68620881

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{20047}}^1$

素因数の和:20220

約数の個数: 16

約数和(自身を含む): 105211904

約数和(自身を除く): 36591023

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 20047, 60141, 140329, 420987, 3267661, 9802983, 22873627, 68620881]

約数ペア:

[(1, 68620881), (3, 22873627), (7, 9802983), (21, 3267661), (163, 420987), (489, 140329), (1141, 60141), (3423, 20047)]