28608459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20161}}^1$

素因数の和:20218

約数の個数: 16

約数和(自身を含む): 42582144

約数和(自身を除く): 13973685

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20161, 60483, 221771, 665313, 866923, 2600769, 9536153, 28608459]

約数ペア:

[(1, 28608459), (3, 9536153), (11, 2600769), (33, 866923), (43, 665313), (129, 221771), (473, 60483), (1419, 20161)]