538467669

素因数分解:

$3^4\times {\mathrm{857}}^1\times {\mathrm{7757}}^1$

素因数の和:8626

約数の個数: 20

約数和(自身を含む): 805420044

約数和(自身を除く): 266952375

約数列:

[1, 3, 9, 27, 81, 857, 2571, 7713, 7757, 23139, 23271, 69417, 69813, 209439, 628317, 6647749, 19943247, 59829741, 179489223, 538467669]

約数ペア:

[(1, 538467669), (3, 179489223), (9, 59829741), (27, 19943247), (81, 6647749), (857, 628317), (2571, 209439), (7713, 69813), (7757, 69417), (23139, 23271)]