28561785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16001}}^1$

素因数の和:16033

約数の個数: 32

約数和(自身を含む): 55302912

約数和(自身を除く): 26741127

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 16001, 48003, 80005, 112007, 240015, 272017, 336021, 560035, 816051, 1360085, 1680105, 1904119, 4080255, 5712357, 9520595, 28561785]

約数ペア:

[(1, 28561785), (3, 9520595), (5, 5712357), (7, 4080255), (15, 1904119), (17, 1680105), (21, 1360085), (35, 816051), (51, 560035), (85, 336021), (105, 272017), (119, 240015), (255, 112007), (357, 80005), (595, 48003), (1785, 16001)]