1245288291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1680551}}^1$

素因数の和:1680586

約数の個数: 16

約数和(自身を含む): 1882218240

約数和(自身を除く): 636929949

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 1680551, 5041653, 21847163, 31930469, 65541489, 95791407, 415096097, 1245288291]

約数ペア:

[(1, 1245288291), (3, 415096097), (13, 95791407), (19, 65541489), (39, 31930469), (57, 21847163), (247, 5041653), (741, 1680551)]