257831223543

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23027}}^1\times {\mathrm{65479}}^1$

素因数の和:88531

約数の個数: 24

約数和(自身を含む): 392047094400

約数和(自身を除く): 134215870857

約数列:

[1, 3, 9, 19, 57, 171, 23027, 65479, 69081, 196437, 207243, 437513, 589311, 1244101, 1312539, 3732303, 3937617, 11196909, 1507784933, 4523354799, 13570064397, 28647913727, 85943741181, 257831223543]

約数ペア:

[(1, 257831223543), (3, 85943741181), (9, 28647913727), (19, 13570064397), (57, 4523354799), (171, 1507784933), (23027, 11196909), (65479, 3937617), (69081, 3732303), (196437, 1312539), (207243, 1244101), (437513, 589311)]