18209601

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7001}}^1$

素因数の和:7041

約数の個数: 18

約数和(自身を含む): 27944982

約数和(自身を除く): 9735381

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7001, 21003, 63009, 119017, 357051, 1071153, 2023289, 6069867, 18209601]

約数ペア:

[(1, 18209601), (3, 6069867), (9, 2023289), (17, 1071153), (51, 357051), (153, 119017), (289, 63009), (867, 21003), (2601, 7001)]