1890843549

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647771}}^1$

素因数の和:647920

約数の個数: 16

約数和(自身を含む): 2902018560

約数和(自身を除く): 1011175011

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 647771, 1943313, 4534397, 13603191, 90040169, 270120507, 630281183, 1890843549]

約数ペア:

[(1, 1890843549), (3, 630281183), (7, 270120507), (21, 90040169), (139, 13603191), (417, 4534397), (973, 1943313), (2919, 647771)]