81877203

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 125452800

約数和(自身を除く): 43575597

約数列:

[1, 3, 9, 27, 43, 109, 129, 327, 387, 647, 981, 1161, 1941, 2943, 4687, 5823, 14061, 17469, 27821, 42183, 70523, 83463, 126549, 211569, 250389, 634707, 751167, 1904121, 3032489, 9097467, 27292401, 81877203]

約数ペア:

[(1, 81877203), (3, 27292401), (9, 9097467), (27, 3032489), (43, 1904121), (109, 751167), (129, 634707), (327, 250389), (387, 211569), (647, 126549), (981, 83463), (1161, 70523), (1941, 42183), (2943, 27821), (4687, 17469), (5823, 14061)]