1645363017

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{858301}}^1$

素因数の和:858381

約数の個数: 16

約数和(自身を含む): 2471909760

約数和(自身を除く): 826546743

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 858301, 2574903, 7724709, 23174127, 60939371, 182818113, 548454339, 1645363017]

約数ペア:

[(1, 1645363017), (3, 548454339), (9, 182818113), (27, 60939371), (71, 23174127), (213, 7724709), (639, 2574903), (1917, 858301)]