What is the sum of all positive integers for which there exists a positive integer with ? I (thought I) found all x: , which is "wrong". I think not, but is there any other for above equation?
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Originally Posted by courteous I (thought I) found all x: , which is "wrong". I think not, but is there any other for above equation? Hint: 7 * 11 * 13 = 1 * (7 * 11 * 13)
Indeed. I would never on earth thought of that. Thank you.
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