13505863

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 16107520

約数和(自身を除く): 2601657

約数列:

[1, 7, 31, 109, 217, 571, 763, 3379, 3997, 17701, 23653, 62239, 123907, 435673, 1929409, 13505863]

約数ペア:

[(1, 13505863), (7, 1929409), (31, 435673), (109, 123907), (217, 62239), (571, 23653), (763, 17701), (3379, 3997)]