27813891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69709}}^1$

素因数の和:69738

約数の個数: 16

約数和(自身を含む): 44614400

約数和(自身を除く): 16800509

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69709, 209127, 487963, 1324471, 1463889, 3973413, 9271297, 27813891]

約数ペア:

[(1, 27813891), (3, 9271297), (7, 3973413), (19, 1463889), (21, 1324471), (57, 487963), (133, 209127), (399, 69709)]