2806785

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 5287680

約数和(自身を除く): 2480895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 1223, 2295, 3669, 6115, 11007, 18345, 20791, 33021, 55035, 62373, 103955, 165105, 187119, 311865, 561357, 935595, 2806785]

約数ペア:

[(1, 2806785), (3, 935595), (5, 561357), (9, 311865), (15, 187119), (17, 165105), (27, 103955), (45, 62373), (51, 55035), (85, 33021), (135, 20791), (153, 18345), (255, 11007), (459, 6115), (765, 3669), (1223, 2295)]