40989879

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15131}}^1$

素因数の和:15187

約数の個数: 24

約数和(自身を含む): 69244032

約数和(自身を除く): 28254153

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 15131, 45393, 105917, 136179, 317751, 650633, 953253, 1951899, 4554431, 5855697, 13663293, 40989879]

約数ペア:

[(1, 40989879), (3, 13663293), (7, 5855697), (9, 4554431), (21, 1951899), (43, 953253), (63, 650633), (129, 317751), (301, 136179), (387, 105917), (903, 45393), (2709, 15131)]