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A351851 Numbers that are divisible by the number of their divisors over the Gaussian integers. 3

%I #9 Feb 23 2022 02:33:48

%S 1,6,9,18,20,56,126,168,180,198,280,342,352,414,432,441,486,504,558,

%T 616,625,728,774,832,846,952,1056,1062,1064,1089,1176,1206,1278,1288,

%U 1422,1494,1512,1624,1736,1760,1848,1854,1920,1926,2025,2072,2160,2286,2296,2358

%N Numbers that are divisible by the number of their divisors over the Gaussian integers.

%C Numbers k such that A062327(k) | k.

%C All the odd terms are squares.

%H Amiram Eldar, <a href="/A351851/b351851.txt">Table of n, a(n) for n = 1..10000</a>

%e 6 is a term since it is divisible by A062327(6) = 6.

%t Select[Range[2400], Divisible[#, DivisorSigma[0, #, GaussianIntegers -> True]] &]

%Y Cf. A033950, A048166, A062327, A351853.

%K nonn

%O 1,2

%A _Amiram Eldar_, Feb 22 2022

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Last modified August 2 08:19 EDT 2024. Contains 374822 sequences. (Running on oeis4.)