6813009

素因数分解:

$3^2\times 7^3\times {\mathrm{2207}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 11481600

約数和(自身を除く): 4668591

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2207, 3087, 6621, 15449, 19863, 46347, 108143, 139041, 324429, 757001, 973287, 2271003, 6813009]

約数ペア:

[(1, 6813009), (3, 2271003), (7, 973287), (9, 757001), (21, 324429), (49, 139041), (63, 108143), (147, 46347), (343, 19863), (441, 15449), (1029, 6621), (2207, 3087)]