87289317

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{136603}}^1$

素因数の和:136680

約数の個数: 12

約数和(自身を含む): 127861344

約数和(自身を除く): 40572027

約数列:

[1, 3, 9, 71, 213, 639, 136603, 409809, 1229427, 9698813, 29096439, 87289317]

約数ペア:

[(1, 87289317), (3, 29096439), (9, 9698813), (71, 1229427), (213, 409809), (639, 136603)]