55272009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19961}}^1$

素因数の和:20048

約数の個数: 16

約数和(自身を含む): 80486784

約数和(自身を除く): 25214775

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 19961, 59883, 259493, 778479, 1417231, 4251693, 18424003, 55272009]

約数ペア:

[(1, 55272009), (3, 18424003), (13, 4251693), (39, 1417231), (71, 778479), (213, 259493), (923, 59883), (2769, 19961)]