27493479

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 47241600

約数和(自身を除く): 19748121

約数列:

[1, 3, 9, 13, 27, 29, 37, 39, 73, 87, 111, 117, 219, 261, 333, 351, 377, 481, 657, 783, 949, 999, 1073, 1131, 1443, 1971, 2117, 2701, 2847, 3219, 3393, 4329, 6351, 8103, 8541, 9657, 10179, 12987, 13949, 19053, 24309, 25623, 27521, 28971, 35113, 41847, 57159, 72927, 78329, 82563, 105339, 125541, 234987, 247689, 316017, 376623, 704961, 743067, 948051, 1018277, 2114883, 3054831, 9164493, 27493479]

約数ペア:

[(1, 27493479), (3, 9164493), (9, 3054831), (13, 2114883), (27, 1018277), (29, 948051), (37, 743067), (39, 704961), (73, 376623), (87, 316017), (111, 247689), (117, 234987), (219, 125541), (261, 105339), (333, 82563), (351, 78329), (377, 72927), (481, 57159), (657, 41847), (783, 35113), (949, 28971), (999, 27521), (1073, 25623), (1131, 24309), (1443, 19053), (1971, 13949), (2117, 12987), (2701, 10179), (2847, 9657), (3219, 8541), (3393, 8103), (4329, 6351)]