81260067

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89989}}^1$

素因数の和:90042

約数の個数: 16

約数和(自身を含む): 126705920

約数和(自身を除く): 45445853

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 89989, 269967, 629923, 1889769, 3869527, 11608581, 27086689, 81260067]

約数ペア:

[(1, 81260067), (3, 27086689), (7, 11608581), (21, 3869527), (43, 1889769), (129, 629923), (301, 269967), (903, 89989)]