209957259

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1\times {\mathrm{4519}}^1$

素因数の和:5450

約数の個数: 16

約数和(自身を含む): 296801280

約数和(自身を除く): 86844021

約数列:

[1, 3, 17, 51, 911, 2733, 4519, 13557, 15487, 46461, 76823, 230469, 4116809, 12350427, 69985753, 209957259]

約数ペア:

[(1, 209957259), (3, 69985753), (17, 12350427), (51, 4116809), (911, 230469), (2733, 76823), (4519, 46461), (13557, 15487)]