28128255

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45737}}^1$

素因数の和:45786

約数の個数: 16

約数和(自身を含む): 46103904

約数和(自身を除く): 17975649

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 45737, 137211, 228685, 686055, 1875217, 5625651, 9376085, 28128255]

約数ペア:

[(1, 28128255), (3, 9376085), (5, 5625651), (15, 1875217), (41, 686055), (123, 228685), (205, 137211), (615, 45737)]