28216605

素因数分解:

$3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6791}}^1$

素因数の和:7076

約数の個数: 16

約数和(自身を含む): 45316224

約数和(自身を除く): 17099619

約数列:

[1, 3, 5, 15, 277, 831, 1385, 4155, 6791, 20373, 33955, 101865, 1881107, 5643321, 9405535, 28216605]

約数ペア:

[(1, 28216605), (3, 9405535), (5, 5643321), (15, 1881107), (277, 101865), (831, 33955), (1385, 20373), (4155, 6791)]