620141817

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1567}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 894136320

約数和(自身を除く): 273994503

約数列:

[1, 3, 19, 53, 57, 131, 159, 393, 1007, 1567, 2489, 3021, 4701, 6943, 7467, 20829, 29773, 83051, 89319, 131917, 205277, 249153, 395751, 615831, 1577969, 3900263, 4733907, 10879681, 11700789, 32639043, 206713939, 620141817]

約数ペア:

[(1, 620141817), (3, 206713939), (19, 32639043), (53, 11700789), (57, 10879681), (131, 4733907), (159, 3900263), (393, 1577969), (1007, 615831), (1567, 395751), (2489, 249153), (3021, 205277), (4701, 131917), (6943, 89319), (7467, 83051), (20829, 29773)]