9891081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 15140736

約数和(自身を除く): 5249655

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 673, 1633, 2019, 4899, 6057, 14697, 15479, 46437, 47783, 139311, 143349, 430047, 1099009, 3297027, 9891081]

約数ペア:

[(1, 9891081), (3, 3297027), (9, 1099009), (23, 430047), (69, 143349), (71, 139311), (207, 47783), (213, 46437), (639, 15479), (673, 14697), (1633, 6057), (2019, 4899)]