28321191

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55207}}^1$

素因数の和:55235

約数の個数: 16

約数和(自身を含む): 44166400

約数和(自身を除く): 15845209

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55207, 165621, 496863, 1048933, 1490589, 3146799, 9440397, 28321191]

約数ペア:

[(1, 28321191), (3, 9440397), (9, 3146799), (19, 1490589), (27, 1048933), (57, 496863), (171, 165621), (513, 55207)]