51173127

素因数分解:

$3^5\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 77051520

約数和(自身を除く): 25878393

約数列:

[1, 3, 9, 27, 81, 243, 251, 753, 839, 2259, 2517, 6777, 7551, 20331, 22653, 60993, 67959, 203877, 210589, 631767, 1895301, 5685903, 17057709, 51173127]

約数ペア:

[(1, 51173127), (3, 17057709), (9, 5685903), (27, 1895301), (81, 631767), (243, 210589), (251, 203877), (753, 67959), (839, 60993), (2259, 22653), (2517, 20331), (6777, 7551)]