28266543

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{19753}}^1$

素因数の和:19815

約数の個数: 16

約数和(自身を含む): 42668640

約数和(自身を除く): 14402097

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 19753, 59259, 177777, 533331, 1046909, 3140727, 9422181, 28266543]

約数ペア:

[(1, 28266543), (3, 9422181), (9, 3140727), (27, 1046909), (53, 533331), (159, 177777), (477, 59259), (1431, 19753)]