8712927

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 20

約数和(自身を含む): 13097040

約数和(自身を除く): 4384113

約数列:

[1, 3, 9, 27, 81, 263, 409, 789, 1227, 2367, 3681, 7101, 11043, 21303, 33129, 107567, 322701, 968103, 2904309, 8712927]

約数ペア:

[(1, 8712927), (3, 2904309), (9, 968103), (27, 322701), (81, 107567), (263, 33129), (409, 21303), (789, 11043), (1227, 7101), (2367, 3681)]