28663947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 44772000

約数和(自身を除く): 16108053

約数列:

[1, 3, 9, 13, 39, 117, 409, 599, 1227, 1797, 3681, 5317, 5391, 7787, 15951, 23361, 47853, 70083, 244991, 734973, 2204919, 3184883, 9554649, 28663947]

約数ペア:

[(1, 28663947), (3, 9554649), (9, 3184883), (13, 2204919), (39, 734973), (117, 244991), (409, 70083), (599, 47853), (1227, 23361), (1797, 15951), (3681, 7787), (5317, 5391)]