8540721

素因数分解:

$3^5\times 7^1\times {\mathrm{5021}}^1$

素因数の和:5043

約数の個数: 24

約数和(自身を含む): 14624064

約数和(自身を除く): 6083343

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 5021, 15063, 35147, 45189, 105441, 135567, 316323, 406701, 948969, 1220103, 2846907, 8540721]

約数ペア:

[(1, 8540721), (3, 2846907), (7, 1220103), (9, 948969), (21, 406701), (27, 316323), (63, 135567), (81, 105441), (189, 45189), (243, 35147), (567, 15063), (1701, 5021)]