817857

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:474

約数の個数: 20

約数和(自身を含む): 1277760

約数和(自身を除く): 459903

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 439, 621, 1317, 1863, 3951, 10097, 11853, 30291, 35559, 90873, 272619, 817857]

約数ペア:

[(1, 817857), (3, 272619), (9, 90873), (23, 35559), (27, 30291), (69, 11853), (81, 10097), (207, 3951), (439, 1863), (621, 1317)]