201319989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 304711680

約数和(自身を除く): 103391691

約数列:

[1, 3, 13, 23, 39, 69, 103, 299, 309, 897, 1339, 2179, 2369, 4017, 6537, 7107, 28327, 30797, 50117, 84981, 92391, 150351, 224437, 651521, 673311, 1954563, 2917681, 5162051, 8753043, 15486153, 67106663, 201319989]

約数ペア:

[(1, 201319989), (3, 67106663), (13, 15486153), (23, 8753043), (39, 5162051), (69, 2917681), (103, 1954563), (299, 673311), (309, 651521), (897, 224437), (1339, 150351), (2179, 92391), (2369, 84981), (4017, 50117), (6537, 30797), (7107, 28327)]