15729795

素因数分解:

$3^4\times 5^1\times {\mathrm{38839}}^1$

素因数の和:38856

約数の個数: 20

約数和(自身を含む): 28197840

約数和(自身を除く): 12468045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 38839, 116517, 194195, 349551, 582585, 1048653, 1747755, 3145959, 5243265, 15729795]

約数ペア:

[(1, 15729795), (3, 5243265), (5, 3145959), (9, 1747755), (15, 1048653), (27, 582585), (45, 349551), (81, 194195), (135, 116517), (405, 38839)]