128515121

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{63527}}^1$

素因数の和:63568

約数の個数: 12

約数和(自身を含む): 156024768

約数和(自身を除く): 27509647

約数列:

[1, 7, 17, 119, 289, 2023, 63527, 444689, 1079959, 7559713, 18359303, 128515121]

約数ペア:

[(1, 128515121), (7, 18359303), (17, 7559713), (119, 1079959), (289, 444689), (2023, 63527)]