28927287

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{6053}}^1$

素因数の和:6124

約数の個数: 20

約数和(自身を含む): 43952040

約数和(自身を除く): 15024753

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 6053, 18159, 54477, 163431, 357127, 490293, 1071381, 3214143, 9642429, 28927287]

約数ペア:

[(1, 28927287), (3, 9642429), (9, 3214143), (27, 1071381), (59, 490293), (81, 357127), (177, 163431), (531, 54477), (1593, 18159), (4779, 6053)]