16656519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3853}}^1$

素因数の和:3998

約数の個数: 16

約数和(自身を含む): 24418944

約数和(自身を除く): 7762425

約数列:

[1, 3, 11, 33, 131, 393, 1441, 3853, 4323, 11559, 42383, 127149, 504743, 1514229, 5552173, 16656519]

約数ペア:

[(1, 16656519), (3, 5552173), (11, 1514229), (33, 504743), (131, 127149), (393, 42383), (1441, 11559), (3853, 4323)]