6540021

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:582

約数の個数: 20

約数和(自身を含む): 9838752

約数和(自身を除く): 3298731

約数列:

[1, 3, 9, 27, 81, 263, 307, 789, 921, 2367, 2763, 7101, 8289, 21303, 24867, 80741, 242223, 726669, 2180007, 6540021]

約数ペア:

[(1, 6540021), (3, 2180007), (9, 726669), (27, 242223), (81, 80741), (263, 24867), (307, 21303), (789, 8289), (921, 7101), (2367, 2763)]