199978767

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7489}}^1$

素因数の和:7564

約数の個数: 32

約数和(自身を含む): 316377600

約数和(自身を除く): 116398833

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 989, 1161, 2967, 7489, 8901, 22467, 26703, 67401, 172247, 202203, 322027, 516741, 966081, 1550223, 2898243, 4650669, 7406621, 8694729, 22219863, 66659589, 199978767]

約数ペア:

[(1, 199978767), (3, 66659589), (9, 22219863), (23, 8694729), (27, 7406621), (43, 4650669), (69, 2898243), (129, 1550223), (207, 966081), (387, 516741), (621, 322027), (989, 202203), (1161, 172247), (2967, 67401), (7489, 26703), (8901, 22467)]