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A067313
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Numbers n such that DivisorSigma[n,n]/n is an integer.
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0
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1, 10, 130, 135, 147, 150, 228, 250, 350, 364, 410, 444, 492, 876, 891, 945, 1014, 1308, 1372, 1550, 1690, 1950, 2050, 2210, 2373, 2565, 2850, 3045, 3050, 3250, 3375, 3876, 4108, 4185, 4905, 4995, 5050, 5070, 5145, 5330, 5439, 5481, 6150, 6250, 6321
(list; graph; refs; listen; history; internal format)
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