28204389

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{1087}}^1$

素因数の和:1158

約数の個数: 24

約数和(自身を含む): 43215360

約数和(自身を除く): 15010971

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 961, 1087, 2883, 3261, 8649, 9783, 25947, 29349, 33697, 101091, 303273, 909819, 1044607, 3133821, 9401463, 28204389]

約数ペア:

[(1, 28204389), (3, 9401463), (9, 3133821), (27, 1044607), (31, 909819), (93, 303273), (279, 101091), (837, 33697), (961, 29349), (1087, 25947), (2883, 9783), (3261, 8649)]