13559147

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 16042752

約数和(自身を除く): 2483605

約数列:

[1, 7, 43, 107, 301, 421, 749, 2947, 4601, 18103, 32207, 45047, 126721, 315329, 1937021, 13559147]

約数ペア:

[(1, 13559147), (7, 1937021), (43, 315329), (107, 126721), (301, 45047), (421, 32207), (749, 18103), (2947, 4601)]