1007991

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 1535200

約数和(自身を除く): 527209

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1009, 3027, 9081, 27243, 37333, 111999, 335997, 1007991]

約数ペア:

[(1, 1007991), (3, 335997), (9, 111999), (27, 37333), (37, 27243), (111, 9081), (333, 3027), (999, 1009)]