3938991

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 6061824

約数和(自身を除く): 2122833

約数列:

[1, 3, 7, 21, 107, 321, 749, 1753, 2247, 5259, 12271, 36813, 187571, 562713, 1312997, 3938991]

約数ペア:

[(1, 3938991), (3, 1312997), (7, 562713), (21, 187571), (107, 36813), (321, 12271), (749, 5259), (1753, 2247)]