211745889

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{23789}}^1$

素因数の和:23861

約数の個数: 24

約数和(自身を含む): 326589120

約数和(自身を除く): 114843231

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 23789, 71367, 214101, 547147, 1022927, 1641441, 3068781, 4924323, 9206343, 23527321, 70581963, 211745889]

約数ペア:

[(1, 211745889), (3, 70581963), (9, 23527321), (23, 9206343), (43, 4924323), (69, 3068781), (129, 1641441), (207, 1022927), (387, 547147), (989, 214101), (2967, 71367), (8901, 23789)]