2856147

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 4376832

約数和(自身を除く): 1520685

約数列:

[1, 3, 7, 21, 277, 491, 831, 1473, 1939, 3437, 5817, 10311, 136007, 408021, 952049, 2856147]

約数ペア:

[(1, 2856147), (3, 952049), (7, 408021), (21, 136007), (277, 10311), (491, 5817), (831, 3437), (1473, 1939)]