78851961

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13711}}^1$

素因数の和:13794

約数の個数: 20

約数和(自身を含む): 119458944

約数和(自身を除く): 40606983

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13711, 41133, 123399, 370197, 973481, 1110591, 2920443, 8761329, 26283987, 78851961]

約数ペア:

[(1, 78851961), (3, 26283987), (9, 8761329), (27, 2920443), (71, 1110591), (81, 973481), (213, 370197), (639, 123399), (1917, 41133), (5751, 13711)]