51505317

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{80603}}^1$

素因数の和:80680

約数の個数: 12

約数和(自身を含む): 75445344

約数和(自身を除く): 23940027

約数列:

[1, 3, 9, 71, 213, 639, 80603, 241809, 725427, 5722813, 17168439, 51505317]

約数ペア:

[(1, 51505317), (3, 17168439), (9, 5722813), (71, 725427), (213, 241809), (639, 80603)]