231891359

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{2179}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 277086720

約数和(自身を除く): 45195361

約数列:

[1, 7, 23, 161, 661, 2179, 4627, 15203, 15253, 50117, 106421, 350819, 1440319, 10082233, 33127337, 231891359]

約数ペア:

[(1, 231891359), (7, 33127337), (23, 10082233), (161, 1440319), (661, 350819), (2179, 106421), (4627, 50117), (15203, 15253)]