27757405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 36523872

約数和(自身を除く): 8766467

約数列:

[1, 5, 13, 65, 107, 169, 307, 535, 845, 1391, 1535, 3991, 6955, 18083, 19955, 32849, 51883, 90415, 164245, 259415, 427037, 2135185, 5551481, 27757405]

約数ペア:

[(1, 27757405), (5, 5551481), (13, 2135185), (65, 427037), (107, 259415), (169, 164245), (307, 90415), (535, 51883), (845, 32849), (1391, 19955), (1535, 18083), (3991, 6955)]