28307372079

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{619187}}^1$

素因数の和:619515

約数の個数: 24

約数和(自身を含む): 44046557568

約数和(自身を除く): 15739185489

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 6531, 15239, 45717, 619187, 1857561, 4334309, 13002927, 30340163, 91020489, 192567157, 577701471, 1347970099, 4043910297, 9435790693, 28307372079]

約数ペア:

[(1, 28307372079), (3, 9435790693), (7, 4043910297), (21, 1347970099), (49, 577701471), (147, 192567157), (311, 91020489), (933, 30340163), (2177, 13002927), (6531, 4334309), (15239, 1857561), (45717, 619187)]