117905221

素因数分解:

$7^3\times {\mathrm{139}}^1\times {\mathrm{2473}}^1$

素因数の和:2633

約数の個数: 16

約数和(自身を含む): 138544000

約数和(自身を除く): 20638779

約数列:

[1, 7, 49, 139, 343, 973, 2473, 6811, 17311, 47677, 121177, 343747, 848239, 2406229, 16843603, 117905221]

約数ペア:

[(1, 117905221), (7, 16843603), (49, 2406229), (139, 848239), (343, 343747), (973, 121177), (2473, 47677), (6811, 17311)]