2005809981

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{311123}}^1$

素因数の和:311440

約数の個数: 16

約数和(自身を含む): 3066438144

約数和(自身を除く): 1060628163

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 311123, 933369, 2177861, 6533583, 95514761, 286544283, 668603327, 2005809981]

約数ペア:

[(1, 2005809981), (3, 668603327), (7, 286544283), (21, 95514761), (307, 6533583), (921, 2177861), (2149, 933369), (6447, 311123)]