201720131

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1721}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 220416000

約数和(自身を除く): 18695869

約数列:

[1, 19, 31, 199, 589, 1721, 3781, 6169, 32699, 53351, 117211, 342479, 1013669, 6507101, 10616849, 201720131]

約数ペア:

[(1, 201720131), (19, 10616849), (31, 6507101), (199, 1013669), (589, 342479), (1721, 117211), (3781, 53351), (6169, 32699)]