247103757

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{212837}}^1$

素因数の和:212889

約数の個数: 16

約数和(自身を含む): 374594880

約数和(自身を除く): 127491123

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 212837, 638511, 1915533, 5746599, 9151991, 27455973, 82367919, 247103757]

約数ペア:

[(1, 247103757), (3, 82367919), (9, 27455973), (27, 9151991), (43, 5746599), (129, 1915533), (387, 638511), (1161, 212837)]