71662563

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 123129600

約数和(自身を除く): 51467037

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 567, 599, 633, 1477, 1797, 1899, 4193, 4431, 5391, 5697, 12579, 13293, 16173, 17091, 37737, 39879, 48519, 113211, 119637, 126389, 339633, 379167, 884723, 1137501, 2654169, 3412503, 7962507, 10237509, 23887521, 71662563]

約数ペア:

[(1, 71662563), (3, 23887521), (7, 10237509), (9, 7962507), (21, 3412503), (27, 2654169), (63, 1137501), (81, 884723), (189, 379167), (211, 339633), (567, 126389), (599, 119637), (633, 113211), (1477, 48519), (1797, 39879), (1899, 37737), (4193, 17091), (4431, 16173), (5391, 13293), (5697, 12579)]