208401903

素因数分解:

$3^5\times {\mathrm{331}}^1\times {\mathrm{2591}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 313238016

約数和(自身を除く): 104836113

約数列:

[1, 3, 9, 27, 81, 243, 331, 993, 2591, 2979, 7773, 8937, 23319, 26811, 69957, 80433, 209871, 629613, 857621, 2572863, 7718589, 23155767, 69467301, 208401903]

約数ペア:

[(1, 208401903), (3, 69467301), (9, 23155767), (27, 7718589), (81, 2572863), (243, 857621), (331, 629613), (993, 209871), (2591, 80433), (2979, 69957), (7773, 26811), (8937, 23319)]