2180804577

素因数分解:

$3^1\times 7^1\times {\mathrm{4721}}^1\times {\mathrm{21997}}^1$

素因数の和:26728

約数の個数: 16

約数和(自身を含む): 3323985792

約数和(自身を除く): 1143181215

約数列:

[1, 3, 7, 21, 4721, 14163, 21997, 33047, 65991, 99141, 153979, 461937, 103847837, 311543511, 726934859, 2180804577]

約数ペア:

[(1, 2180804577), (3, 726934859), (7, 311543511), (21, 103847837), (4721, 461937), (14163, 153979), (21997, 99141), (33047, 65991)]