81491967

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{467}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 126696960

約数和(自身を除く): 45204993

約数列:

[1, 3, 9, 23, 27, 69, 207, 281, 467, 621, 843, 1401, 2529, 4203, 6463, 7587, 10741, 12609, 19389, 32223, 58167, 96669, 131227, 174501, 290007, 393681, 1181043, 3018221, 3543129, 9054663, 27163989, 81491967]

約数ペア:

[(1, 81491967), (3, 27163989), (9, 9054663), (23, 3543129), (27, 3018221), (69, 1181043), (207, 393681), (281, 290007), (467, 174501), (621, 131227), (843, 96669), (1401, 58167), (2529, 32223), (4203, 19389), (6463, 12609), (7587, 10741)]