2987199

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4717440

約数和(自身を除く): 1730241

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 647, 1539, 1941, 4617, 5823, 12293, 17469, 36879, 52407, 110637, 157221, 331911, 995733, 2987199]

約数ペア:

[(1, 2987199), (3, 995733), (9, 331911), (19, 157221), (27, 110637), (57, 52407), (81, 36879), (171, 17469), (243, 12293), (513, 5823), (647, 4617), (1539, 1941)]