668045493

素因数分解:

$3^2\times {\mathrm{241}}^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 972491520

約数和(自身を除く): 304446027

約数列:

[1, 3, 9, 241, 479, 643, 723, 1437, 1929, 2169, 4311, 5787, 115439, 154963, 307997, 346317, 464889, 923991, 1038951, 1394667, 2771973, 74227277, 222681831, 668045493]

約数ペア:

[(1, 668045493), (3, 222681831), (9, 74227277), (241, 2771973), (479, 1394667), (643, 1038951), (723, 923991), (1437, 464889), (1929, 346317), (2169, 307997), (4311, 154963), (5787, 115439)]