28057305

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2909}}^1$

素因数の和:3560

約数の個数: 16

約数和(自身を含む): 44976960

約数和(自身を除く): 16919655

約数列:

[1, 3, 5, 15, 643, 1929, 2909, 3215, 8727, 9645, 14545, 43635, 1870487, 5611461, 9352435, 28057305]

約数ペア:

[(1, 28057305), (3, 9352435), (5, 5611461), (15, 1870487), (643, 43635), (1929, 14545), (2909, 9645), (3215, 8727)]