8439309

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2478

約数の個数: 20

約数和(自身を含む): 12905376

約数和(自身を除く): 4466067

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2423, 3483, 7269, 21807, 65421, 104189, 196263, 312567, 937701, 2813103, 8439309]

約数ペア:

[(1, 8439309), (3, 2813103), (9, 937701), (27, 312567), (43, 196263), (81, 104189), (129, 65421), (387, 21807), (1161, 7269), (2423, 3483)]