51657021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{49057}}^1$

素因数の和:49082

約数の個数: 20

約数和(自身を含む): 83104252

約数和(自身を除く): 31447231

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 49057, 147171, 441513, 637741, 1324539, 1913223, 3973617, 5739669, 17219007, 51657021]

約数ペア:

[(1, 51657021), (3, 17219007), (9, 5739669), (13, 3973617), (27, 1913223), (39, 1324539), (81, 637741), (117, 441513), (351, 147171), (1053, 49057)]