26445609

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{2003}}^1$

素因数の和:2178

約数の個数: 20

約数和(自身を含む): 39767376

約数和(自身を除く): 13321767

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 2003, 4401, 6009, 13203, 18027, 54081, 162243, 326489, 979467, 2938401, 8815203, 26445609]

約数ペア:

[(1, 26445609), (3, 8815203), (9, 2938401), (27, 979467), (81, 326489), (163, 162243), (489, 54081), (1467, 18027), (2003, 13203), (4401, 6009)]