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A351851
Numbers that are divisible by the number of their divisors over the Gaussian integers.
3
1, 6, 9, 18, 20, 56, 126, 168, 180, 198, 280, 342, 352, 414, 432, 441, 486, 504, 558, 616, 625, 728, 774, 832, 846, 952, 1056, 1062, 1064, 1089, 1176, 1206, 1278, 1288, 1422, 1494, 1512, 1624, 1736, 1760, 1848, 1854, 1920, 1926, 2025, 2072, 2160, 2286, 2296, 2358
OFFSET
1,2
COMMENTS
Numbers k such that A062327(k) | k.
All the odd terms are squares.
LINKS
EXAMPLE
6 is a term since it is divisible by A062327(6) = 6.
MATHEMATICA
Select[Range[2400], Divisible[#, DivisorSigma[0, #, GaussianIntegers -> True]] &]
CROSSREFS
KEYWORD
nonn
AUTHOR
Amiram Eldar, Feb 22 2022
STATUS
approved