2019978189

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{495457}}^1$

素因数の和:495617

約数の個数: 16

約数和(自身を含む): 3012384640

約数和(自身を除く): 992406451

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 495457, 1486371, 4459113, 13377339, 74814007, 224442021, 673326063, 2019978189]

約数ペア:

[(1, 2019978189), (3, 673326063), (9, 224442021), (27, 74814007), (151, 13377339), (453, 4459113), (1359, 1486371), (4077, 495457)]