408045321

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{1663}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 597043200

約数和(自身を除く): 188997879

約数列:

[1, 3, 9, 137, 199, 411, 597, 1233, 1663, 1791, 4989, 14967, 27263, 81789, 227831, 245367, 330937, 683493, 992811, 2050479, 2978433, 45338369, 136015107, 408045321]

約数ペア:

[(1, 408045321), (3, 136015107), (9, 45338369), (137, 2978433), (199, 2050479), (411, 992811), (597, 683493), (1233, 330937), (1663, 245367), (1791, 227831), (4989, 81789), (14967, 27263)]