2078232009

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{189949}}^1$

素因数の和:190480

約数の個数: 16

約数和(自身を含む): 3172924800

約数和(自身を除く): 1094692791

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 189949, 569847, 1329643, 3988929, 98963429, 296890287, 692744003, 2078232009]

約数ペア:

[(1, 2078232009), (3, 692744003), (7, 296890287), (21, 98963429), (521, 3988929), (1563, 1329643), (3647, 569847), (10941, 189949)]