28165785

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4591}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 45185280

約数和(自身を除く): 17019495

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 4591, 6135, 13773, 22955, 68865, 1877719, 5633157, 9388595, 28165785]

約数ペア:

[(1, 28165785), (3, 9388595), (5, 5633157), (15, 1877719), (409, 68865), (1227, 22955), (2045, 13773), (4591, 6135)]