1438281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 2358720

約数和(自身を除く): 920439

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 647, 741, 1941, 2223, 5823, 8411, 12293, 25233, 36879, 75699, 110637, 159809, 479427, 1438281]

約数ペア:

[(1, 1438281), (3, 479427), (9, 159809), (13, 110637), (19, 75699), (39, 36879), (57, 25233), (117, 12293), (171, 8411), (247, 5823), (647, 2223), (741, 1941)]