28920159

素因数分解:

$3^6\times {\mathrm{39671}}^1$

素因数の和:39689

約数の個数: 14

約数和(自身を含む): 43361496

約数和(自身を除く): 14441337

約数列:

[1, 3, 9, 27, 81, 243, 729, 39671, 119013, 357039, 1071117, 3213351, 9640053, 28920159]

約数ペア:

[(1, 28920159), (3, 9640053), (9, 3213351), (27, 1071117), (81, 357039), (243, 119013), (729, 39671)]