28991853

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15413}}^1$

素因数の和:15449

約数の個数: 24

約数和(自身を含む): 48091680

約数和(自身を除く): 19099827

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 15413, 46239, 138717, 169543, 292847, 508629, 878541, 1525887, 2635623, 3221317, 9663951, 28991853]

約数ペア:

[(1, 28991853), (3, 9663951), (9, 3221317), (11, 2635623), (19, 1525887), (33, 878541), (57, 508629), (99, 292847), (171, 169543), (209, 138717), (627, 46239), (1881, 15413)]