81158791

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{997}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 96287040

約数和(自身を除く): 15128249

約数列:

[1, 7, 29, 203, 401, 997, 2807, 6979, 11629, 28913, 81403, 202391, 399797, 2798579, 11594113, 81158791]

約数ペア:

[(1, 81158791), (7, 11594113), (29, 2798579), (203, 399797), (401, 202391), (997, 81403), (2807, 28913), (6979, 11629)]