28491705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57559}}^1$

素因数の和:57581

約数の個数: 24

約数和(自身を含む): 53876160

約数和(自身を除く): 25384455

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 57559, 172677, 287795, 518031, 633149, 863385, 1899447, 2590155, 3165745, 5698341, 9497235, 28491705]

約数ペア:

[(1, 28491705), (3, 9497235), (5, 5698341), (9, 3165745), (11, 2590155), (15, 1899447), (33, 863385), (45, 633149), (55, 518031), (99, 287795), (165, 172677), (495, 57559)]