197151297

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{30187}}^1$

素因数の和:30508

約数の個数: 16

約数和(自身を含む): 301396992

約数和(自身を除く): 104245695

約数列:

[1, 3, 7, 21, 311, 933, 2177, 6531, 30187, 90561, 211309, 633927, 9388157, 28164471, 65717099, 197151297]

約数ペア:

[(1, 197151297), (3, 65717099), (7, 28164471), (21, 9388157), (311, 633927), (933, 211309), (2177, 90561), (6531, 30187)]