28504437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1787}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 41052480

約数和(自身を除く): 12548043

約数列:

[1, 3, 13, 39, 409, 1227, 1787, 5317, 5361, 15951, 23231, 69693, 730883, 2192649, 9501479, 28504437]

約数ペア:

[(1, 28504437), (3, 9501479), (13, 2192649), (39, 730883), (409, 69693), (1227, 23231), (1787, 15951), (5317, 5361)]