12691665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 25753728

約数和(自身を除く): 13062063

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 937, 1505, 1935, 2709, 2811, 4515, 4685, 6559, 8433, 13545, 14055, 19677, 32795, 40291, 42165, 59031, 98385, 120873, 201455, 282037, 295155, 362619, 604365, 846111, 1410185, 1813095, 2538333, 4230555, 12691665]

約数ペア:

[(1, 12691665), (3, 4230555), (5, 2538333), (7, 1813095), (9, 1410185), (15, 846111), (21, 604365), (35, 362619), (43, 295155), (45, 282037), (63, 201455), (105, 120873), (129, 98385), (215, 59031), (301, 42165), (315, 40291), (387, 32795), (645, 19677), (903, 14055), (937, 13545), (1505, 8433), (1935, 6559), (2709, 4685), (2811, 4515)]