220186449

素因数分解:

$3^2\times 7^3\times {\mathrm{71327}}^1$

素因数の和:71354

約数の個数: 24

約数和(自身を含む): 370905600

約数和(自身を除く): 150719151

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 71327, 213981, 499289, 641943, 1497867, 3495023, 4493601, 10485069, 24465161, 31455207, 73395483, 220186449]

約数ペア:

[(1, 220186449), (3, 73395483), (7, 31455207), (9, 24465161), (21, 10485069), (49, 4493601), (63, 3495023), (147, 1497867), (343, 641943), (441, 499289), (1029, 213981), (3087, 71327)]