9789857

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 12755232

約数和(自身を除く): 2965375

約数列:

[1, 7, 11, 41, 49, 77, 287, 443, 451, 539, 2009, 3101, 3157, 4873, 18163, 21707, 22099, 34111, 127141, 199793, 238777, 889987, 1398551, 9789857]

約数ペア:

[(1, 9789857), (7, 1398551), (11, 889987), (41, 238777), (49, 199793), (77, 127141), (287, 34111), (443, 22099), (451, 21707), (539, 18163), (2009, 4873), (3101, 3157)]