81009957

素因数分解:

$3^1\times 7^1\times {\mathrm{1627}}^1\times {\mathrm{2371}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 123571712

約数和(自身を除く): 42561755

約数列:

[1, 3, 7, 21, 1627, 2371, 4881, 7113, 11389, 16597, 34167, 49791, 3857617, 11572851, 27003319, 81009957]

約数ペア:

[(1, 81009957), (3, 27003319), (7, 11572851), (21, 3857617), (1627, 49791), (2371, 34167), (4881, 16597), (7113, 11389)]