2665143

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2556

約数の個数: 20

約数和(自身を含む): 4289208

約数和(自身を除く): 1624065

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2531, 7593, 22779, 32903, 68337, 98709, 205011, 296127, 888381, 2665143]

約数ペア:

[(1, 2665143), (3, 888381), (9, 296127), (13, 205011), (27, 98709), (39, 68337), (81, 32903), (117, 22779), (351, 7593), (1053, 2531)]