12271721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 15396480

約数和(自身を除く): 3124759

約数列:

[1, 7, 11, 77, 197, 809, 1379, 2167, 5663, 8899, 15169, 62293, 159373, 1115611, 1753103, 12271721]

約数ペア:

[(1, 12271721), (7, 1753103), (11, 1115611), (77, 159373), (197, 62293), (809, 15169), (1379, 8899), (2167, 5663)]