189888921

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2837}}^1$

素因数の和:2950

約数の個数: 32

約数和(自身を含む): 293335680

約数和(自身を除く): 103446759

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 333, 603, 999, 1809, 2479, 2837, 7437, 8511, 22311, 25533, 66933, 76599, 104969, 190079, 314907, 570237, 944721, 1710711, 2834163, 5132133, 7032923, 21098769, 63296307, 189888921]

約数ペア:

[(1, 189888921), (3, 63296307), (9, 21098769), (27, 7032923), (37, 5132133), (67, 2834163), (111, 1710711), (201, 944721), (333, 570237), (603, 314907), (999, 190079), (1809, 104969), (2479, 76599), (2837, 66933), (7437, 25533), (8511, 22311)]