209957463

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1372271}}^1$

素因数の和:1372294

約数の個数: 12

約数和(自身を含む): 321111648

約数和(自身を除く): 111154185

約数列:

[1, 3, 9, 17, 51, 153, 1372271, 4116813, 12350439, 23328607, 69985821, 209957463]

約数ペア:

[(1, 209957463), (3, 69985821), (9, 23328607), (17, 12350439), (51, 4116813), (153, 1372271)]