8720745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 16122240

約数和(自身を除く): 7401495

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 3109, 9327, 15545, 34199, 46635, 52853, 102597, 158559, 170995, 264265, 512985, 581383, 792795, 1744149, 2906915, 8720745]

約数ペア:

[(1, 8720745), (3, 2906915), (5, 1744149), (11, 792795), (15, 581383), (17, 512985), (33, 264265), (51, 170995), (55, 158559), (85, 102597), (165, 52853), (187, 46635), (255, 34199), (561, 15545), (935, 9327), (2805, 3109)]