28441161

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 47121984

約数和(自身を除く): 18680823

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 1301, 2429, 3123, 3903, 7287, 9107, 11709, 21861, 27321, 81963, 451447, 1354341, 3160129, 4063023, 9480387, 28441161]

約数ペア:

[(1, 28441161), (3, 9480387), (7, 4063023), (9, 3160129), (21, 1354341), (63, 451447), (347, 81963), (1041, 27321), (1301, 21861), (2429, 11709), (3123, 9107), (3903, 7287)]