2007978309

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{177493}}^1$

素因数の和:177921

約数の個数: 16

約数和(自身を含む): 2981899200

約数和(自身を除く): 973920891

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 177493, 532479, 1597437, 4792311, 74369567, 223108701, 669326103, 2007978309]

約数ペア:

[(1, 2007978309), (3, 669326103), (9, 223108701), (27, 74369567), (419, 4792311), (1257, 1597437), (3771, 532479), (11313, 177493)]