18455553

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6271}}^1$

素因数の和:6389

約数の個数: 16

約数和(自身を含む): 27596800

約数和(自身を除く): 9141247

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6271, 18813, 56439, 169317, 683539, 2050617, 6151851, 18455553]

約数ペア:

[(1, 18455553), (3, 6151851), (9, 2050617), (27, 683539), (109, 169317), (327, 56439), (981, 18813), (2943, 6271)]