13865943

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3907}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 22885248

約数和(自身を除く): 9019305

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 3907, 11721, 27349, 50791, 82047, 152373, 355537, 660283, 1066611, 1980849, 4621981, 13865943]

約数ペア:

[(1, 13865943), (3, 4621981), (7, 1980849), (13, 1066611), (21, 660283), (39, 355537), (91, 152373), (169, 82047), (273, 50791), (507, 27349), (1183, 11721), (3549, 3907)]