12821985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25903}}^1$

素因数の和:25925

約数の個数: 24

約数和(自身を含む): 24246144

約数和(自身を除く): 11424159

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 25903, 77709, 129515, 233127, 284933, 388545, 854799, 1165635, 1424665, 2564397, 4273995, 12821985]

約数ペア:

[(1, 12821985), (3, 4273995), (5, 2564397), (9, 1424665), (11, 1165635), (15, 854799), (33, 388545), (45, 284933), (55, 233127), (99, 129515), (165, 77709), (495, 25903)]