54081981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2543}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 83341440

約数和(自身を除く): 29259459

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1251, 2363, 2543, 7089, 7629, 21267, 22887, 43231, 129693, 353477, 389079, 1060431, 3181293, 6009109, 18027327, 54081981]

約数ペア:

[(1, 54081981), (3, 18027327), (9, 6009109), (17, 3181293), (51, 1060431), (139, 389079), (153, 353477), (417, 129693), (1251, 43231), (2363, 22887), (2543, 21267), (7089, 7629)]