11970147

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 18289152

約数和(自身を除く): 6319005

約数列:

[1, 3, 7, 21, 647, 881, 1941, 2643, 4529, 6167, 13587, 18501, 570007, 1710021, 3990049, 11970147]

約数ペア:

[(1, 11970147), (3, 3990049), (7, 1710021), (21, 570007), (647, 18501), (881, 13587), (1941, 6167), (2643, 4529)]