12986259

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30271}}^1$

素因数の和:30298

約数の個数: 16

約数和(自身を含む): 20342784

約数和(自身を除く): 7356525

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 30271, 90813, 332981, 393523, 998943, 1180569, 4328753, 12986259]

約数ペア:

[(1, 12986259), (3, 4328753), (11, 1180569), (13, 998943), (33, 393523), (39, 332981), (143, 90813), (429, 30271)]