81903519

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6827}}^1$

素因数の和:6907

約数の個数: 24

約数和(自身を含む): 124979712

約数和(自身を除く): 43076193

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 3999, 6827, 11997, 20481, 61443, 211637, 293561, 634911, 880683, 1904733, 2642049, 9100391, 27301173, 81903519]

約数ペア:

[(1, 81903519), (3, 27301173), (9, 9100391), (31, 2642049), (43, 1904733), (93, 880683), (129, 634911), (279, 293561), (387, 211637), (1333, 61443), (3999, 20481), (6827, 11997)]