81109223

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 89849760

約数和(自身を除く): 8740537

約数列:

[1, 13, 43, 373, 389, 559, 4849, 5057, 16039, 16727, 145097, 208507, 217451, 1886261, 6239171, 81109223]

約数ペア:

[(1, 81109223), (13, 6239171), (43, 1886261), (373, 217451), (389, 208507), (559, 145097), (4849, 16727), (5057, 16039)]