28920555

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1723}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 50292528

約数和(自身を除く): 21371973

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1723, 1865, 3357, 5169, 5595, 8615, 15507, 16785, 25845, 77535, 642679, 1928037, 3213395, 5784111, 9640185, 28920555]

約数ペア:

[(1, 28920555), (3, 9640185), (5, 5784111), (9, 3213395), (15, 1928037), (45, 642679), (373, 77535), (1119, 25845), (1723, 16785), (1865, 15507), (3357, 8615), (5169, 5595)]