28993107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3603

約数の個数: 32

約数和(自身を含む): 47819520

約数和(自身を除く): 18826413

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3557, 8151, 10671, 39127, 46241, 67583, 117381, 138723, 202749, 508651, 743413, 878579, 1525953, 2230239, 2635737, 9664369, 28993107]

約数ペア:

[(1, 28993107), (3, 9664369), (11, 2635737), (13, 2230239), (19, 1525953), (33, 878579), (39, 743413), (57, 508651), (143, 202749), (209, 138723), (247, 117381), (429, 67583), (627, 46241), (741, 39127), (2717, 10671), (3557, 8151)]