80172207

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18913}}^1$

素因数の和:19079

約数の個数: 16

約数和(自身を含む): 119536480

約数和(自身を除く): 39364273

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18913, 56739, 170217, 510651, 2969341, 8908023, 26724069, 80172207]

約数ペア:

[(1, 80172207), (3, 26724069), (9, 8908023), (27, 2969341), (157, 510651), (471, 170217), (1413, 56739), (4239, 18913)]