17660187

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{829}}^1$

素因数の和:1104

約数の個数: 20

約数和(自身を含む): 26513520

約数和(自身を除く): 8853333

約数列:

[1, 3, 9, 27, 81, 263, 789, 829, 2367, 2487, 7101, 7461, 21303, 22383, 67149, 218027, 654081, 1962243, 5886729, 17660187]

約数ペア:

[(1, 17660187), (3, 5886729), (9, 1962243), (27, 654081), (81, 218027), (263, 67149), (789, 22383), (829, 21303), (2367, 7461), (2487, 7101)]