28787481

素因数分解:

$3^7\times {\mathrm{13163}}^1$

素因数の和:13184

約数の個数: 16

約数和(自身を含む): 43177920

約数和(自身を除く): 14390439

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 13163, 39489, 118467, 355401, 1066203, 3198609, 9595827, 28787481]

約数ペア:

[(1, 28787481), (3, 9595827), (9, 3198609), (27, 1066203), (81, 355401), (243, 118467), (729, 39489), (2187, 13163)]