27891639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{163109}}^1$

素因数の和:163134

約数の個数: 12

約数和(自身を含む): 42408600

約数和(自身を除く): 14516961

約数列:

[1, 3, 9, 19, 57, 171, 163109, 489327, 1467981, 3099071, 9297213, 27891639]

約数ペア:

[(1, 27891639), (3, 9297213), (9, 3099071), (19, 1467981), (57, 489327), (171, 163109)]