28667835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91009}}^1$

素因数の和:91027

約数の個数: 24

約数和(自身を含む): 56790240

約数和(自身を除く): 28122405

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91009, 273027, 455045, 637063, 819081, 1365135, 1911189, 3185315, 4095405, 5733567, 9555945, 28667835]

約数ペア:

[(1, 28667835), (3, 9555945), (5, 5733567), (7, 4095405), (9, 3185315), (15, 1911189), (21, 1365135), (35, 819081), (45, 637063), (63, 455045), (105, 273027), (315, 91009)]