28520745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172853}}^1$

素因数の和:172872

約数の個数: 16

約数和(自身を含む): 49781952

約数和(自身を除く): 21261207

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172853, 518559, 864265, 1901383, 2592795, 5704149, 9506915, 28520745]

約数ペア:

[(1, 28520745), (3, 9506915), (5, 5704149), (11, 2592795), (15, 1901383), (33, 864265), (55, 518559), (165, 172853)]