81069561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3733}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 124267520

約数和(自身を除く): 43197959

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 3733, 7239, 11199, 21717, 33597, 70927, 212781, 474091, 638343, 1422273, 4266819, 9007729, 27023187, 81069561]

約数ペア:

[(1, 81069561), (3, 27023187), (9, 9007729), (19, 4266819), (57, 1422273), (127, 638343), (171, 474091), (381, 212781), (1143, 70927), (2413, 33597), (3733, 21717), (7239, 11199)]