28021167

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{6367}}^1$

素因数の和:6539

約数の個数: 16

約数和(自身を含む): 41774080

約数和(自身を除く): 13752913

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 6367, 19101, 57303, 171909, 1037821, 3113463, 9340389, 28021167]

約数ペア:

[(1, 28021167), (3, 9340389), (9, 3113463), (27, 1037821), (163, 171909), (489, 57303), (1467, 19101), (4401, 6367)]