2605863939

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1747729}}^1$

素因数の和:1747810

約数の個数: 16

約数和(自身を含む): 4026769920

約数和(自身を除く): 1420905981

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1747729, 5243187, 12234103, 36702309, 124088759, 372266277, 868621313, 2605863939]

約数ペア:

[(1, 2605863939), (3, 868621313), (7, 372266277), (21, 124088759), (71, 36702309), (213, 12234103), (497, 5243187), (1491, 1747729)]