17778897

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{27823}}^1$

素因数の和:27900

約数の個数: 12

約数和(自身を含む): 26043264

約数和(自身を除く): 8264367

約数列:

[1, 3, 9, 71, 213, 639, 27823, 83469, 250407, 1975433, 5926299, 17778897]

約数ペア:

[(1, 17778897), (3, 5926299), (9, 1975433), (71, 250407), (213, 83469), (639, 27823)]