18457767

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40213}}^1$

素因数の和:40239

約数の個数: 16

約数和(自身を含む): 28954080

約数和(自身を除く): 10496313

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40213, 120639, 361917, 683621, 1085751, 2050863, 6152589, 18457767]

約数ペア:

[(1, 18457767), (3, 6152589), (9, 2050863), (17, 1085751), (27, 683621), (51, 361917), (153, 120639), (459, 40213)]