207730497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2287}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 318269952

約数和(自身を除く): 110539455

約数列:

[1, 3, 13, 17, 39, 51, 137, 221, 411, 663, 1781, 2287, 2329, 5343, 6861, 6987, 29731, 30277, 38879, 89193, 90831, 116637, 313319, 505427, 939957, 1516281, 4073147, 5326423, 12219441, 15979269, 69243499, 207730497]

約数ペア:

[(1, 207730497), (3, 69243499), (13, 15979269), (17, 12219441), (39, 5326423), (51, 4073147), (137, 1516281), (221, 939957), (411, 505427), (663, 313319), (1781, 116637), (2287, 90831), (2329, 89193), (5343, 38879), (6861, 30277), (6987, 29731)]