3355989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 2450091

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 647, 741, 1729, 1941, 4529, 5187, 8411, 12293, 13587, 25233, 36879, 58877, 86051, 159809, 176631, 258153, 479427, 1118663, 3355989]

約数ペア:

[(1, 3355989), (3, 1118663), (7, 479427), (13, 258153), (19, 176631), (21, 159809), (39, 86051), (57, 58877), (91, 36879), (133, 25233), (247, 13587), (273, 12293), (399, 8411), (647, 5187), (741, 4529), (1729, 1941)]