27783081

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4914

約数の個数: 20

約数和(自身を含む): 42096384

約数和(自身を除く): 14313303

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4831, 5751, 14493, 43479, 130437, 343001, 391311, 1029003, 3087009, 9261027, 27783081]

約数ペア:

[(1, 27783081), (3, 9261027), (9, 3087009), (27, 1029003), (71, 391311), (81, 343001), (213, 130437), (639, 43479), (1917, 14493), (4831, 5751)]