28286361

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7537}}^1$

素因数の和:7685

約数の個数: 16

約数和(自身を含む): 42212800

約数和(自身を除く): 13926439

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7537, 22611, 67833, 203499, 1047643, 3142929, 9428787, 28286361]

約数ペア:

[(1, 28286361), (3, 9428787), (9, 3142929), (27, 1047643), (139, 203499), (417, 67833), (1251, 22611), (3753, 7537)]