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Mean integral divisors associated with A048747.
2

%I #9 Sep 06 2019 16:58:54

%S 3,6,7,8,9,10,12,15,14,13,18,19,20,24,21,27,33,30,28,32,36,26,38,35,

%T 45,42,39,44,40,51,48,54,31,60,49,63,61,62,57,56,68,78,52,72,81,66,64,

%U 74,70,80,84,96,76,65,99,90,105,98,88,114,102,93,104,108,123,110,126,100

%N Mean integral divisors associated with A048747.

%H Amiram Eldar, <a href="/A048748/b048748.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A000203(A048747(n))/A000005(A048747(n)). - _Amiram Eldar_, Sep 06 2019

%e For a(3)=7, n=20 and sum of divisors of 20 is 42, number of divisors is 6, so integral quotient is 7 (42/6).

%Y Cf. A000005, A000203, A048747.

%K easy,nonn

%O 1,1

%A _Enoch Haga_

%E Offset corrected by _Amiram Eldar_, Sep 06 2019

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Last modified September 21 20:27 EDT 2024. Contains 376089 sequences. (Running on oeis4.)