51213855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 107251200

約数和(自身を除く): 56037345

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 121, 139, 145, 165, 203, 231, 319, 363, 385, 417, 435, 605, 609, 695, 847, 957, 973, 1015, 1155, 1529, 1595, 1815, 2085, 2233, 2541, 2919, 3045, 3509, 4031, 4235, 4587, 4785, 4865, 6699, 7645, 10527, 10703, 11165, 12093, 12705, 14595, 16819, 17545, 20155, 22935, 24563, 28217, 32109, 33495, 44341, 50457, 52635, 53515, 60465, 73689, 84095, 84651, 117733, 122815, 133023, 141085, 160545, 221705, 252285, 310387, 353199, 368445, 423255, 487751, 588665, 665115, 931161, 1463253, 1551935, 1765995, 2438755, 3414257, 4655805, 7316265, 10242771, 17071285, 51213855]

約数ペア:

[(1, 51213855), (3, 17071285), (5, 10242771), (7, 7316265), (11, 4655805), (15, 3414257), (21, 2438755), (29, 1765995), (33, 1551935), (35, 1463253), (55, 931161), (77, 665115), (87, 588665), (105, 487751), (121, 423255), (139, 368445), (145, 353199), (165, 310387), (203, 252285), (231, 221705), (319, 160545), (363, 141085), (385, 133023), (417, 122815), (435, 117733), (605, 84651), (609, 84095), (695, 73689), (847, 60465), (957, 53515), (973, 52635), (1015, 50457), (1155, 44341), (1529, 33495), (1595, 32109), (1815, 28217), (2085, 24563), (2233, 22935), (2541, 20155), (2919, 17545), (3045, 16819), (3509, 14595), (4031, 12705), (4235, 12093), (4587, 11165), (4785, 10703), (4865, 10527), (6699, 7645)]