17764839

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3089}}^1$

素因数の和:3172

約数の個数: 20

約数和(自身を含む): 26920080

約数和(自身を除く): 9155241

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3089, 5751, 9267, 27801, 83403, 219319, 250209, 657957, 1973871, 5921613, 17764839]

約数ペア:

[(1, 17764839), (3, 5921613), (9, 1973871), (27, 657957), (71, 250209), (81, 219319), (213, 83403), (639, 27801), (1917, 9267), (3089, 5751)]