28290069

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7193}}^1$

素因数の和:7241

約数の個数: 24

約数和(自身を含む): 44890560

約数和(自身を除く): 16600491

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7193, 21579, 64737, 136667, 165439, 410001, 496317, 1230003, 1488951, 3143341, 9430023, 28290069]

約数ペア:

[(1, 28290069), (3, 9430023), (9, 3143341), (19, 1488951), (23, 1230003), (57, 496317), (69, 410001), (171, 165439), (207, 136667), (437, 64737), (1311, 21579), (3933, 7193)]