249438861

素因数分解:

$3^2\times 7^3\times {\mathrm{80803}}^1$

素因数の和:80830

約数の個数: 24

約数和(自身を含む): 420180800

約数和(自身を除く): 170741939

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 80803, 242409, 565621, 727227, 1696863, 3959347, 5090589, 11878041, 27715429, 35634123, 83146287, 249438861]

約数ペア:

[(1, 249438861), (3, 83146287), (7, 35634123), (9, 27715429), (21, 11878041), (49, 5090589), (63, 3959347), (147, 1696863), (343, 727227), (441, 565621), (1029, 242409), (3087, 80803)]