81282123

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{77191}}^1$

素因数の和:77216

約数の個数: 20

約数和(自身を含む): 130763248

約数和(自身を除く): 49481125

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 77191, 231573, 694719, 1003483, 2084157, 3010449, 6252471, 9031347, 27094041, 81282123]

約数ペア:

[(1, 81282123), (3, 27094041), (9, 9031347), (13, 6252471), (27, 3010449), (39, 2084157), (81, 1003483), (117, 694719), (351, 231573), (1053, 77191)]