206647479

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{26981}}^1$

素因数の和:27047

約数の個数: 24

約数和(自身を含む): 319898592

約数和(自身を除く): 113251113

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7659, 26981, 80943, 242829, 620563, 998297, 1861689, 2994891, 5585067, 8984673, 22960831, 68882493, 206647479]

約数ペア:

[(1, 206647479), (3, 68882493), (9, 22960831), (23, 8984673), (37, 5585067), (69, 2994891), (111, 1861689), (207, 998297), (333, 620563), (851, 242829), (2553, 80943), (7659, 26981)]