19647333

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 30424320

約数和(自身を除く): 10776987

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 277, 333, 639, 831, 999, 1917, 2493, 2627, 7479, 7881, 10249, 19667, 23643, 30747, 59001, 70929, 92241, 177003, 276723, 531009, 727679, 2183037, 6549111, 19647333]

約数ペア:

[(1, 19647333), (3, 6549111), (9, 2183037), (27, 727679), (37, 531009), (71, 276723), (111, 177003), (213, 92241), (277, 70929), (333, 59001), (639, 30747), (831, 23643), (999, 19667), (1917, 10249), (2493, 7881), (2627, 7479)]