28249545

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28109}}^1$

素因数の和:28184

約数の個数: 16

約数和(自身を含む): 45875520

約数和(自身を除く): 17625975

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 28109, 84327, 140545, 421635, 1883303, 5649909, 9416515, 28249545]

約数ペア:

[(1, 28249545), (3, 9416515), (5, 5649909), (15, 1883303), (67, 421635), (201, 140545), (335, 84327), (1005, 28109)]