28288239

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 45235200

約数和(自身を除く): 16946961

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 743, 777, 1029, 1813, 2229, 5201, 5439, 12691, 15603, 27491, 36407, 38073, 82473, 109221, 192437, 254849, 577311, 764547, 1347059, 4041177, 9429413, 28288239]

約数ペア:

[(1, 28288239), (3, 9429413), (7, 4041177), (21, 1347059), (37, 764547), (49, 577311), (111, 254849), (147, 192437), (259, 109221), (343, 82473), (743, 38073), (777, 36407), (1029, 27491), (1813, 15603), (2229, 12691), (5201, 5439)]