28204275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 53889408

約数和(自身を除く): 25685133

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2011, 2805, 4675, 6033, 10055, 14025, 22121, 30165, 34187, 50275, 66363, 102561, 110605, 150825, 170935, 331815, 376057, 512805, 553025, 854675, 1128171, 1659075, 1880285, 2564025, 5640855, 9401425, 28204275]

約数ペア:

[(1, 28204275), (3, 9401425), (5, 5640855), (11, 2564025), (15, 1880285), (17, 1659075), (25, 1128171), (33, 854675), (51, 553025), (55, 512805), (75, 376057), (85, 331815), (165, 170935), (187, 150825), (255, 110605), (275, 102561), (425, 66363), (561, 50275), (825, 34187), (935, 30165), (1275, 22121), (2011, 14025), (2805, 10055), (4675, 6033)]