28415805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172217}}^1$

素因数の和:172236

約数の個数: 16

約数和(自身を含む): 49598784

約数和(自身を除く): 21182979

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172217, 516651, 861085, 1894387, 2583255, 5683161, 9471935, 28415805]

約数ペア:

[(1, 28415805), (3, 9471935), (5, 5683161), (11, 2583255), (15, 1894387), (33, 861085), (55, 516651), (165, 172217)]