28654989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6247}}^1$

素因数の和:6400

約数の個数: 16

約数和(自身を含む): 41986560

約数和(自身を除く): 13331571

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 6247, 18741, 68717, 206151, 868333, 2604999, 9551663, 28654989]

約数ペア:

[(1, 28654989), (3, 9551663), (11, 2604999), (33, 868333), (139, 206151), (417, 68717), (1529, 18741), (4587, 6247)]