18251757

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9521}}^1$

素因数の和:9601

約数の個数: 16

約数和(自身を含む): 27423360

約数和(自身を除く): 9171603

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9521, 28563, 85689, 257067, 675991, 2027973, 6083919, 18251757]

約数ペア:

[(1, 18251757), (3, 6083919), (9, 2027973), (27, 675991), (71, 257067), (213, 85689), (639, 28563), (1917, 9521)]