2015420697

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{350447}}^1$

素因数の和:350530

約数の個数: 20

約数和(自身を含む): 3053102976

約数和(自身を除く): 1037682279

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 350447, 1051341, 3154023, 9462069, 24881737, 28386207, 74645211, 223935633, 671806899, 2015420697]

約数ペア:

[(1, 2015420697), (3, 671806899), (9, 223935633), (27, 74645211), (71, 28386207), (81, 24881737), (213, 9462069), (639, 3154023), (1917, 1051341), (5751, 350447)]