28640331

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28669}}^1$

素因数の和:28715

約数の個数: 16

約数和(自身を含む): 43578400

約数和(自身を除く): 14938069

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28669, 86007, 258021, 774063, 1060753, 3182259, 9546777, 28640331]

約数ペア:

[(1, 28640331), (3, 9546777), (9, 3182259), (27, 1060753), (37, 774063), (111, 258021), (333, 86007), (999, 28669)]