12762421

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 15228928

約数和(自身を除く): 2466507

約数列:

[1, 7, 31, 103, 217, 571, 721, 3193, 3997, 17701, 22351, 58813, 123907, 411691, 1823203, 12762421]

約数ペア:

[(1, 12762421), (7, 1823203), (31, 411691), (103, 123907), (217, 58813), (571, 22351), (721, 17701), (3193, 3997)]