197963661

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{67819}}^1$

素因数の和:67968

約数の個数: 16

約数和(自身を含む): 303833600

約数和(自身を除く): 105869939

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 67819, 203457, 474733, 1424199, 9426841, 28280523, 65987887, 197963661]

約数ペア:

[(1, 197963661), (3, 65987887), (7, 28280523), (21, 9426841), (139, 1424199), (417, 474733), (973, 203457), (2919, 67819)]