205182207

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 311842560

約数和(自身を除く): 106660353

約数列:

[1, 3, 9, 27, 67, 101, 201, 303, 603, 909, 1123, 1809, 2727, 3369, 6767, 10107, 20301, 30321, 60903, 75241, 113423, 182709, 225723, 340269, 677169, 1020807, 2031507, 3062421, 7599341, 22798023, 68394069, 205182207]

約数ペア:

[(1, 205182207), (3, 68394069), (9, 22798023), (27, 7599341), (67, 3062421), (101, 2031507), (201, 1020807), (303, 677169), (603, 340269), (909, 225723), (1123, 182709), (1809, 113423), (2727, 75241), (3369, 60903), (6767, 30321), (10107, 20301)]