81291237

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{4831}}^1$

素因数の和:4984

約数の個数: 16

約数和(自身を含む): 111329280

約数和(自身を除く): 30038043

約数列:

[1, 3, 71, 79, 213, 237, 4831, 5609, 14493, 16827, 343001, 381649, 1029003, 1144947, 27097079, 81291237]

約数ペア:

[(1, 81291237), (3, 27097079), (71, 1144947), (79, 1029003), (213, 381649), (237, 343001), (4831, 16827), (5609, 14493)]