71142057

素因数分解:

$3^4\times 7^1\times {\mathrm{125471}}^1$

素因数の和:125490

約数の個数: 20

約数和(自身を含む): 121456896

約数和(自身を除く): 50314839

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 125471, 376413, 878297, 1129239, 2634891, 3387717, 7904673, 10163151, 23714019, 71142057]

約数ペア:

[(1, 71142057), (3, 23714019), (7, 10163151), (9, 7904673), (21, 3387717), (27, 2634891), (63, 1129239), (81, 878297), (189, 376413), (567, 125471)]