11216289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28111}}^1$

素因数の和:28140

約数の個数: 16

約数和(自身を含む): 17991680

約数和(自身を除く): 6775391

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 28111, 84333, 196777, 534109, 590331, 1602327, 3738763, 11216289]

約数ペア:

[(1, 11216289), (3, 3738763), (7, 1602327), (19, 590331), (21, 534109), (57, 196777), (133, 84333), (399, 28111)]