28920573

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26557}}^1$

素因数の和:26585

約数の個数: 18

約数和(自身を含む): 45918782

約数和(自身を除く): 16998209

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26557, 79671, 239013, 292127, 876381, 2629143, 3213397, 9640191, 28920573]

約数ペア:

[(1, 28920573), (3, 9640191), (9, 3213397), (11, 2629143), (33, 876381), (99, 292127), (121, 239013), (363, 79671), (1089, 26557)]