209218269

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1123}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 319503744

約数和(自身を除く): 110285475

約数列:

[1, 3, 13, 17, 39, 51, 221, 281, 663, 843, 1123, 3369, 3653, 4777, 10959, 14331, 14599, 19091, 43797, 57273, 62101, 186303, 248183, 315563, 744549, 946689, 4102319, 5364571, 12306957, 16093713, 69739423, 209218269]

約数ペア:

[(1, 209218269), (3, 69739423), (13, 16093713), (17, 12306957), (39, 5364571), (51, 4102319), (221, 946689), (281, 744549), (663, 315563), (843, 248183), (1123, 186303), (3369, 62101), (3653, 57273), (4777, 43797), (10959, 19091), (14331, 14599)]