28173615

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2903}}^1$

素因数の和:3558

約数の個数: 16

約数和(自身を含む): 45163008

約数和(自身を除く): 16989393

約数列:

[1, 3, 5, 15, 647, 1941, 2903, 3235, 8709, 9705, 14515, 43545, 1878241, 5634723, 9391205, 28173615]

約数ペア:

[(1, 28173615), (3, 9391205), (5, 5634723), (15, 1878241), (647, 43545), (1941, 14515), (2903, 9705), (3235, 8709)]