209968173

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19889}}^1$

素因数の和:19938

約数の個数: 32

約数和(自身を含む): 343699200

約数和(自身を除く): 133731027

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 10557, 19889, 59667, 179001, 338113, 457447, 537003, 1014339, 1372341, 3043017, 4117023, 7776599, 9129051, 12351069, 23329797, 69989391, 209968173]

約数ペア:

[(1, 209968173), (3, 69989391), (9, 23329797), (17, 12351069), (23, 9129051), (27, 7776599), (51, 4117023), (69, 3043017), (153, 1372341), (207, 1014339), (391, 537003), (459, 457447), (621, 338113), (1173, 179001), (3519, 59667), (10557, 19889)]