28128993

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3336

約数の個数: 16

約数和(自身を含む): 38973312

約数和(自身を除く): 10844319

約数列:

[1, 3, 41, 71, 123, 213, 2911, 3221, 8733, 9663, 132061, 228691, 396183, 686073, 9376331, 28128993]

約数ペア:

[(1, 28128993), (3, 9376331), (41, 686073), (71, 396183), (123, 228691), (213, 132061), (2911, 9663), (3221, 8733)]