820172007

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{22189}}^1$

素因数の和:22272

約数の個数: 24

約数和(自身を含む): 1248853200

約数和(自身を除く): 428681193

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1369, 4107, 12321, 22189, 36963, 66567, 199701, 599103, 820993, 2462979, 7388937, 22166811, 30376741, 91130223, 273390669, 820172007]

約数ペア:

[(1, 820172007), (3, 273390669), (9, 91130223), (27, 30376741), (37, 22166811), (111, 7388937), (333, 2462979), (999, 820993), (1369, 599103), (4107, 199701), (12321, 66567), (22189, 36963)]