28185885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6883}}^1$

素因数の和:6914

約数の個数: 48

約数和(自身を含む): 60138624

約数和(自身を除く): 31952739

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6883, 20649, 34415, 48181, 61947, 89479, 103245, 144543, 240905, 268437, 309735, 433629, 447395, 626353, 722715, 805311, 1342185, 1879059, 2168145, 3131765, 4026555, 5637177, 9395295, 28185885]

約数ペア:

[(1, 28185885), (3, 9395295), (5, 5637177), (7, 4026555), (9, 3131765), (13, 2168145), (15, 1879059), (21, 1342185), (35, 805311), (39, 722715), (45, 626353), (63, 447395), (65, 433629), (91, 309735), (105, 268437), (117, 240905), (195, 144543), (273, 103245), (315, 89479), (455, 61947), (585, 48181), (819, 34415), (1365, 20649), (4095, 6883)]