2005673391

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{3138769}}^1$

素因数の和:3138846

約数の個数: 12

約数和(自身を含む): 2937888720

約数和(自身を除く): 932215329

約数列:

[1, 3, 9, 71, 213, 639, 3138769, 9416307, 28248921, 222852599, 668557797, 2005673391]

約数ペア:

[(1, 2005673391), (3, 668557797), (9, 222852599), (71, 28248921), (213, 9416307), (639, 3138769)]