54871569

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 82285632

約数和(自身を除く): 27414063

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 1997, 3053, 5991, 9159, 17973, 27477, 85871, 141787, 257613, 425361, 772839, 1276083, 6096841, 18290523, 54871569]

約数ペア:

[(1, 54871569), (3, 18290523), (9, 6096841), (43, 1276083), (71, 772839), (129, 425361), (213, 257613), (387, 141787), (639, 85871), (1997, 27477), (3053, 17973), (5991, 9159)]