201557521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{2621}}^1\times {\mathrm{6991}}^1$

素因数の和:9623

約数の個数: 8

約数和(自身を含む): 219996288

約数和(自身を除く): 18438767

約数列:

[1, 11, 2621, 6991, 28831, 76901, 18323411, 201557521]

約数ペア:

[(1, 201557521), (11, 18323411), (2621, 76901), (6991, 28831)]