204712839

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{10069}}^1$

素因数の和:10332

約数の個数: 20

約数和(自身を含む): 307054440

約数和(自身を除く): 102341601

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 10069, 20331, 30207, 90621, 271863, 815589, 2527319, 7581957, 22745871, 68237613, 204712839]

約数ペア:

[(1, 204712839), (3, 68237613), (9, 22745871), (27, 7581957), (81, 2527319), (251, 815589), (753, 271863), (2259, 90621), (6777, 30207), (10069, 20331)]