18180189

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 27810432

約数和(自身を除く): 9630243

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1237, 1633, 3711, 4899, 11133, 14697, 28451, 85353, 87827, 256059, 263481, 790443, 2020021, 6060063, 18180189]

約数ペア:

[(1, 18180189), (3, 6060063), (9, 2020021), (23, 790443), (69, 263481), (71, 256059), (207, 87827), (213, 85353), (639, 28451), (1237, 14697), (1633, 11133), (3711, 4899)]