8459721

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1554

約数の個数: 20

約数和(自身を含む): 12824064

約数和(自身を除く): 4364343

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1471, 1917, 4413, 5751, 13239, 39717, 104441, 119151, 313323, 939969, 2819907, 8459721]

約数ペア:

[(1, 8459721), (3, 2819907), (9, 939969), (27, 313323), (71, 119151), (81, 104441), (213, 39717), (639, 13239), (1471, 5751), (1917, 4413)]