2641839

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 3640320

約数和(自身を除く): 998481

約数列:

[1, 3, 71, 79, 157, 213, 237, 471, 5609, 11147, 12403, 16827, 33441, 37209, 880613, 2641839]

約数ペア:

[(1, 2641839), (3, 880613), (71, 37209), (79, 33441), (157, 16827), (213, 12403), (237, 11147), (471, 5609)]