OFFSET
1,3
COMMENTS
Some terms of A336826 have several representations as the product of a number and of its decimal digits; for example 549504 has four such representations: 1696 * 1 * 6 * 9 * 6, 2862 * 2 * 8 * 6 * 2, 3392 * 3 * 3 * 9 * 2 and 3816 * 3 * 8 * 1 * 6.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, C program for A336876
EXAMPLE
For n = 26:
- A336826(26) = 192,
- the divisors d of 192, alongside d*p(d), are:
d d*p(d)
--- ------
1 1
2 4
3 9
4 16
6 36
8 64
12 24
16 96
24 192
32 192
48 1536
64 1536
96 5184
192 3456
- so a(26) = min(24, 32) = 24.
PROG
(C) See Links section.
CROSSREFS
KEYWORD
AUTHOR
Rémy Sigrist, Aug 06 2020
STATUS
approved