7287651

素因数分解:

$3^4\times 7^1\times {\mathrm{12853}}^1$

素因数の和:12872

約数の個数: 20

約数和(自身を含む): 12442672

約数和(自身を除く): 5155021

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 12853, 38559, 89971, 115677, 269913, 347031, 809739, 1041093, 2429217, 7287651]

約数ペア:

[(1, 7287651), (3, 2429217), (7, 1041093), (9, 809739), (21, 347031), (27, 269913), (63, 115677), (81, 89971), (189, 38559), (567, 12853)]