81481719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{60223}}^1$

素因数の和:60278

約数の個数: 16

約数和(自身を含む): 121411584

約数和(自身を除く): 39929865

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 60223, 180669, 662453, 1987359, 2469143, 7407429, 27160573, 81481719]

約数ペア:

[(1, 81481719), (3, 27160573), (11, 7407429), (33, 2469143), (41, 1987359), (123, 662453), (451, 180669), (1353, 60223)]