25511475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 49336128

約数和(自身を除く): 23824653

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 107, 165, 187, 255, 275, 289, 321, 425, 535, 561, 825, 867, 935, 1177, 1275, 1445, 1605, 1819, 2675, 2805, 3179, 3531, 4335, 4675, 5457, 5885, 7225, 8025, 9095, 9537, 14025, 15895, 17655, 20009, 21675, 27285, 29425, 30923, 45475, 47685, 60027, 79475, 88275, 92769, 100045, 136425, 154615, 238425, 300135, 340153, 463845, 500225, 773075, 1020459, 1500675, 1700765, 2319225, 5102295, 8503825, 25511475]

約数ペア:

[(1, 25511475), (3, 8503825), (5, 5102295), (11, 2319225), (15, 1700765), (17, 1500675), (25, 1020459), (33, 773075), (51, 500225), (55, 463845), (75, 340153), (85, 300135), (107, 238425), (165, 154615), (187, 136425), (255, 100045), (275, 92769), (289, 88275), (321, 79475), (425, 60027), (535, 47685), (561, 45475), (825, 30923), (867, 29425), (935, 27285), (1177, 21675), (1275, 20009), (1445, 17655), (1605, 15895), (1819, 14025), (2675, 9537), (2805, 9095), (3179, 8025), (3531, 7225), (4335, 5885), (4675, 5457)]