138781923

素因数分解:

$3^1\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{3719}}^1$

素因数の和:5506

約数の個数: 16

約数和(自身を含む): 211653120

約数和(自身を除く): 72871197

約数列:

[1, 3, 7, 21, 1777, 3719, 5331, 11157, 12439, 26033, 37317, 78099, 6608663, 19825989, 46260641, 138781923]

約数ペア:

[(1, 138781923), (3, 46260641), (7, 19825989), (21, 6608663), (1777, 78099), (3719, 37317), (5331, 26033), (11157, 12439)]