20091227

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6257}}^1$

素因数の和:6302

約数の個数: 12

約数和(自身を含む): 22904280

約数和(自身を除く): 2813053

約数列:

[1, 13, 19, 169, 247, 3211, 6257, 81341, 118883, 1057433, 1545479, 20091227]

約数ペア:

[(1, 20091227), (13, 1545479), (19, 1057433), (169, 118883), (247, 81341), (3211, 6257)]