51720639

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{7127}}^1$

素因数の和:7230

約数の個数: 16

約数和(自身を含む): 71850240

約数和(自身を除く): 20129601

約数列:

[1, 3, 41, 59, 123, 177, 2419, 7127, 7257, 21381, 292207, 420493, 876621, 1261479, 17240213, 51720639]

約数ペア:

[(1, 51720639), (3, 17240213), (41, 1261479), (59, 876621), (123, 420493), (177, 292207), (2419, 21381), (7127, 7257)]