247520007

素因数分解:

$3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{13883}}^1$

素因数の和:14179

約数の個数: 24

約数和(自身を含む): 410077824

約数和(自身を除く): 162557817

約数列:

[1, 3, 7, 9, 21, 63, 283, 849, 1981, 2547, 5943, 13883, 17829, 41649, 97181, 124947, 291543, 874629, 3928889, 11786667, 27502223, 35360001, 82506669, 247520007]

約数ペア:

[(1, 247520007), (3, 82506669), (7, 35360001), (9, 27502223), (21, 11786667), (63, 3928889), (283, 874629), (849, 291543), (1981, 124947), (2547, 97181), (5943, 41649), (13883, 17829)]