205491105

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 363242880

約数和(自身を除く): 157751775

約数列:

[1, 3, 5, 9, 15, 45, 97, 179, 263, 291, 485, 537, 789, 873, 895, 1315, 1455, 1611, 2367, 2685, 3945, 4365, 8055, 11835, 17363, 25511, 47077, 52089, 76533, 86815, 127555, 141231, 156267, 229599, 235385, 260445, 382665, 423693, 706155, 781335, 1147995, 2118465, 4566469, 13699407, 22832345, 41098221, 68497035, 205491105]

約数ペア:

[(1, 205491105), (3, 68497035), (5, 41098221), (9, 22832345), (15, 13699407), (45, 4566469), (97, 2118465), (179, 1147995), (263, 781335), (291, 706155), (485, 423693), (537, 382665), (789, 260445), (873, 235385), (895, 229599), (1315, 156267), (1455, 141231), (1611, 127555), (2367, 86815), (2685, 76533), (3945, 52089), (4365, 47077), (8055, 25511), (11835, 17363)]