28757259

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 42496272

約数和(自身を除く): 13739013

約数列:

[1, 3, 9, 83, 137, 249, 281, 411, 747, 843, 1233, 2529, 11371, 23323, 34113, 38497, 69969, 102339, 115491, 209907, 346473, 3195251, 9585753, 28757259]

約数ペア:

[(1, 28757259), (3, 9585753), (9, 3195251), (83, 346473), (137, 209907), (249, 115491), (281, 102339), (411, 69969), (747, 38497), (843, 34113), (1233, 23323), (2529, 11371)]