2109107

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 32

約数和(自身を含む): 2956800

約数和(自身を除く): 847693

約数列:

[1, 7, 11, 13, 43, 49, 77, 91, 143, 301, 343, 473, 539, 559, 637, 1001, 2107, 3311, 3773, 3913, 4459, 6149, 7007, 14749, 23177, 27391, 43043, 49049, 162239, 191737, 301301, 2109107]

約数ペア:

[(1, 2109107), (7, 301301), (11, 191737), (13, 162239), (43, 49049), (49, 43043), (77, 27391), (91, 23177), (143, 14749), (301, 7007), (343, 6149), (473, 4459), (539, 3913), (559, 3773), (637, 3311), (1001, 2107)]