28778517

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{2969}}^1$

素因数の和:3337

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 13989483

約数列:

[1, 3, 9, 27, 359, 1077, 2969, 3231, 8907, 9693, 26721, 80163, 1065871, 3197613, 9592839, 28778517]

約数ペア:

[(1, 28778517), (3, 9592839), (9, 3197613), (27, 1065871), (359, 80163), (1077, 26721), (2969, 9693), (3231, 8907)]