279027

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 475904

約数和(自身を除く): 196877

約数列:

[1, 3, 7, 9, 21, 43, 63, 103, 129, 301, 309, 387, 721, 903, 927, 2163, 2709, 4429, 6489, 13287, 31003, 39861, 93009, 279027]

約数ペア:

[(1, 279027), (3, 93009), (7, 39861), (9, 31003), (21, 13287), (43, 6489), (63, 4429), (103, 2709), (129, 2163), (301, 927), (309, 903), (387, 721)]