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Numbers whose sum of the digital products of the divisors is prime.
0

%I #8 Apr 13 2024 18:35:43

%S 2,4,9,11,18,21,23,29,36,41,43,45,47,58,61,67,72,75,82,85,89,90,94,

%T 115,116,122,128,130,143,144,149,150,162,163,165,167,168,170,175,178,

%U 180,185,202,206,207,209,211,213,214,218,219,223,227,229,230,233,237,243

%N Numbers whose sum of the digital products of the divisors is prime.

%e 8842 is in the sequence because its divisors are [1, 2, 4421, 8842] and 1+2+(4*4*2*1)+(8*8*4*2) = 547, a prime.

%K base,easy,nonn

%O 1,1

%A _Jason Earls_, May 21 2004