9872163

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 16380000

約数和(自身を除く): 6507837

約数列:

[1, 3, 7, 9, 21, 63, 349, 449, 1047, 1347, 2443, 3141, 3143, 4041, 7329, 9429, 21987, 28287, 156701, 470103, 1096907, 1410309, 3290721, 9872163]

約数ペア:

[(1, 9872163), (3, 3290721), (7, 1410309), (9, 1096907), (21, 470103), (63, 156701), (349, 28287), (449, 21987), (1047, 9429), (1347, 7329), (2443, 4041), (3141, 3143)]