2578465143

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{66457}}^1$

素因数の和:66948

約数の個数: 20

約数和(自身を含む): 3859880640

約数和(自身を除く): 1281415497

約数列:

[1, 3, 9, 27, 81, 479, 1437, 4311, 12933, 38799, 66457, 199371, 598113, 1794339, 5383017, 31832903, 95498709, 286496127, 859488381, 2578465143]

約数ペア:

[(1, 2578465143), (3, 859488381), (9, 286496127), (27, 95498709), (81, 31832903), (479, 5383017), (1437, 1794339), (4311, 598113), (12933, 199371), (38799, 66457)]