81021417

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7057}}^1$

素因数の和:7192

約数の個数: 16

約数和(自身を含む): 111798720

約数和(自身を除く): 30777303

約数列:

[1, 3, 43, 89, 129, 267, 3827, 7057, 11481, 21171, 303451, 628073, 910353, 1884219, 27007139, 81021417]

約数ペア:

[(1, 81021417), (3, 27007139), (43, 1884219), (89, 910353), (129, 628073), (267, 303451), (3827, 21171), (7057, 11481)]