206471499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{278639}}^1$

素因数の和:278674

約数の個数: 16

約数和(自身を含む): 312076800

約数和(自身を除く): 105605301

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 278639, 835917, 3622307, 5294141, 10866921, 15882423, 68823833, 206471499]

約数ペア:

[(1, 206471499), (3, 68823833), (13, 15882423), (19, 10866921), (39, 5294141), (57, 3622307), (247, 835917), (741, 278639)]