28894581

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 43037280

約数和(自身を除く): 14142699

約数列:

[1, 3, 9, 43, 129, 197, 379, 387, 591, 1137, 1773, 3411, 8471, 16297, 25413, 48891, 74663, 76239, 146673, 223989, 671967, 3210509, 9631527, 28894581]

約数ペア:

[(1, 28894581), (3, 9631527), (9, 3210509), (43, 671967), (129, 223989), (197, 146673), (379, 76239), (387, 74663), (591, 48891), (1137, 25413), (1773, 16297), (3411, 8471)]