81353868

素因数分解:

$2^2\times 3^1\times {\mathrm{311}}^1\times {\mathrm{21799}}^1$

素因数の和:22117

約数の個数: 24

約数和(自身を含む): 190444800

約数和(自身を除く): 109090932

約数列:

[1, 2, 3, 4, 6, 12, 311, 622, 933, 1244, 1866, 3732, 21799, 43598, 65397, 87196, 130794, 261588, 6779489, 13558978, 20338467, 27117956, 40676934, 81353868]

約数ペア:

[(1, 81353868), (2, 40676934), (3, 27117956), (4, 20338467), (6, 13558978), (12, 6779489), (311, 261588), (622, 130794), (933, 87196), (1244, 65397), (1866, 43598), (3732, 21799)]