28420185

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9521}}^1$

素因数の和:9728

約数の個数: 16

約数和(自身を含む): 45705600

約数和(自身を除く): 17285415

約数列:

[1, 3, 5, 15, 199, 597, 995, 2985, 9521, 28563, 47605, 142815, 1894679, 5684037, 9473395, 28420185]

約数ペア:

[(1, 28420185), (3, 9473395), (5, 5684037), (15, 1894679), (199, 142815), (597, 47605), (995, 28563), (2985, 9521)]