2863781991

素因数分解:

$3^2\times 7^1\times {\mathrm{45456857}}^1$

素因数の和:45456870

約数の個数: 12

約数和(自身を含む): 4727513232

約数和(自身を除く): 1863731241

約数列:

[1, 3, 7, 9, 21, 63, 45456857, 136370571, 318197999, 409111713, 954593997, 2863781991]

約数ペア:

[(1, 2863781991), (3, 954593997), (7, 409111713), (9, 318197999), (21, 136370571), (63, 45456857)]