28080705

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27941}}^1$

素因数の和:28016

約数の個数: 16

約数和(自身を含む): 45601344

約数和(自身を除く): 17520639

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 27941, 83823, 139705, 419115, 1872047, 5616141, 9360235, 28080705]

約数ペア:

[(1, 28080705), (3, 9360235), (5, 5616141), (15, 1872047), (67, 419115), (201, 139705), (335, 83823), (1005, 27941)]