12823839

素因数分解:

$3^6\times 7^2\times {\mathrm{359}}^1$

素因数の和:391

約数の個数: 42

約数和(自身を含む): 22428360

約数和(自身を除く): 9604521

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 359, 441, 567, 729, 1077, 1323, 1701, 2513, 3231, 3969, 5103, 7539, 9693, 11907, 17591, 22617, 29079, 35721, 52773, 67851, 87237, 158319, 203553, 261711, 474957, 610659, 1424871, 1831977, 4274613, 12823839]

約数ペア:

[(1, 12823839), (3, 4274613), (7, 1831977), (9, 1424871), (21, 610659), (27, 474957), (49, 261711), (63, 203553), (81, 158319), (147, 87237), (189, 67851), (243, 52773), (359, 35721), (441, 29079), (567, 22617), (729, 17591), (1077, 11907), (1323, 9693), (1701, 7539), (2513, 5103), (3231, 3969)]