66629781

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 100800960

約数和(自身を除く): 34171179

約数列:

[1, 3, 9, 23, 69, 207, 409, 787, 1227, 2361, 3681, 7083, 9407, 18101, 28221, 54303, 84663, 162909, 321883, 965649, 2896947, 7403309, 22209927, 66629781]

約数ペア:

[(1, 66629781), (3, 22209927), (9, 7403309), (23, 2896947), (69, 965649), (207, 321883), (409, 162909), (787, 84663), (1227, 54303), (2361, 28221), (3681, 18101), (7083, 9407)]