27830405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 34636800

約数和(自身を除く): 6806395

約数列:

[1, 5, 31, 155, 409, 439, 2045, 2195, 12679, 13609, 63395, 68045, 179551, 897755, 5566081, 27830405]

約数ペア:

[(1, 27830405), (5, 5566081), (31, 897755), (155, 179551), (409, 68045), (439, 63395), (2045, 13609), (2195, 12679)]