131209278

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{308003}}^1$

素因数の和:308079

約数の個数: 16

約数和(自身を含む): 266115456

約数和(自身を除く): 134906178

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 308003, 616006, 924009, 1848018, 21868213, 43736426, 65604639, 131209278]

約数ペア:

[(1, 131209278), (2, 65604639), (3, 43736426), (6, 21868213), (71, 1848018), (142, 924009), (213, 616006), (426, 308003)]