31239027

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9024

約数の個数: 20

約数和(自身を含む): 47756280

約数和(自身を除く): 16517253

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8969, 26907, 80721, 242163, 385667, 726489, 1157001, 3471003, 10413009, 31239027]

約数ペア:

[(1, 31239027), (3, 10413009), (9, 3471003), (27, 1157001), (43, 726489), (81, 385667), (129, 242163), (387, 80721), (1161, 26907), (3483, 8969)]