199807797

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{37907}}^1$

素因数の和:38168

約数の個数: 16

約数和(自身を含む): 305690112

約数和(自身を除く): 105882315

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 37907, 113721, 265349, 796047, 9514657, 28543971, 66602599, 199807797]

約数ペア:

[(1, 199807797), (3, 66602599), (7, 28543971), (21, 9514657), (251, 796047), (753, 265349), (1757, 113721), (5271, 37907)]