28512825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 29340615

約数列:

[1, 3, 5, 11, 15, 17, 19, 25, 33, 51, 55, 57, 75, 85, 95, 107, 165, 187, 209, 255, 275, 285, 321, 323, 425, 475, 535, 561, 627, 825, 935, 969, 1045, 1177, 1275, 1425, 1605, 1615, 1819, 2033, 2675, 2805, 3135, 3531, 3553, 4675, 4845, 5225, 5457, 5885, 6099, 8025, 8075, 9095, 10165, 10659, 14025, 15675, 17655, 17765, 20009, 22363, 24225, 27285, 29425, 30495, 34561, 45475, 50825, 53295, 60027, 67089, 88275, 88825, 100045, 103683, 111815, 136425, 152475, 172805, 266475, 300135, 335445, 380171, 500225, 518415, 559075, 864025, 1140513, 1500675, 1677225, 1900855, 2592075, 5702565, 9504275, 28512825]

約数ペア:

[(1, 28512825), (3, 9504275), (5, 5702565), (11, 2592075), (15, 1900855), (17, 1677225), (19, 1500675), (25, 1140513), (33, 864025), (51, 559075), (55, 518415), (57, 500225), (75, 380171), (85, 335445), (95, 300135), (107, 266475), (165, 172805), (187, 152475), (209, 136425), (255, 111815), (275, 103683), (285, 100045), (321, 88825), (323, 88275), (425, 67089), (475, 60027), (535, 53295), (561, 50825), (627, 45475), (825, 34561), (935, 30495), (969, 29425), (1045, 27285), (1177, 24225), (1275, 22363), (1425, 20009), (1605, 17765), (1615, 17655), (1819, 15675), (2033, 14025), (2675, 10659), (2805, 10165), (3135, 9095), (3531, 8075), (3553, 8025), (4675, 6099), (4845, 5885), (5225, 5457)]