8387721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 12871040

約数和(自身を除く): 4483319

約数列:

[1, 3, 9, 19, 57, 171, 181, 271, 543, 813, 1629, 2439, 3439, 5149, 10317, 15447, 30951, 46341, 49051, 147153, 441459, 931969, 2795907, 8387721]

約数ペア:

[(1, 8387721), (3, 2795907), (9, 931969), (19, 441459), (57, 147153), (171, 49051), (181, 46341), (271, 30951), (543, 15447), (813, 10317), (1629, 5149), (2439, 3439)]