139531441

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{7723}}^1$

素因数の和:7848

約数の個数: 16

約数和(自身を含む): 166838400

約数和(自身を除く): 27306959

約数列:

[1, 7, 29, 89, 203, 623, 2581, 7723, 18067, 54061, 223967, 687347, 1567769, 4811429, 19933063, 139531441]

約数ペア:

[(1, 139531441), (7, 19933063), (29, 4811429), (89, 1567769), (203, 687347), (623, 223967), (2581, 54061), (7723, 18067)]