217874553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 319872000

約数和(自身を除く): 101997447

約数列:

[1, 3, 13, 39, 67, 199, 201, 419, 597, 871, 1257, 2587, 2613, 5447, 7761, 13333, 16341, 28073, 39999, 83381, 84219, 173329, 250143, 364949, 519987, 1083953, 1094847, 3251859, 5586527, 16759581, 72624851, 217874553]

約数ペア:

[(1, 217874553), (3, 72624851), (13, 16759581), (39, 5586527), (67, 3251859), (199, 1094847), (201, 1083953), (419, 519987), (597, 364949), (871, 250143), (1257, 173329), (2587, 84219), (2613, 83381), (5447, 39999), (7761, 28073), (13333, 16341)]