28423863

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 44400720

約数和(自身を除く): 15976857

約数列:

[1, 3, 9, 13, 39, 117, 379, 641, 1137, 1923, 3411, 4927, 5769, 8333, 14781, 24999, 44343, 74997, 242939, 728817, 2186451, 3158207, 9474621, 28423863]

約数ペア:

[(1, 28423863), (3, 9474621), (9, 3158207), (13, 2186451), (39, 728817), (117, 242939), (379, 74997), (641, 44343), (1137, 24999), (1923, 14781), (3411, 8333), (4927, 5769)]