12255399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 20748000

約数和(自身を除く): 8492601

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 149, 171, 247, 333, 447, 481, 703, 741, 1341, 1443, 1937, 2109, 2223, 2831, 4329, 5513, 5811, 6327, 8493, 9139, 16539, 17433, 25479, 27417, 36803, 49617, 71669, 82251, 104747, 110409, 215007, 314241, 331227, 645021, 942723, 1361711, 4085133, 12255399]

約数ペア:

[(1, 12255399), (3, 4085133), (9, 1361711), (13, 942723), (19, 645021), (37, 331227), (39, 314241), (57, 215007), (111, 110409), (117, 104747), (149, 82251), (171, 71669), (247, 49617), (333, 36803), (447, 27417), (481, 25479), (703, 17433), (741, 16539), (1341, 9139), (1443, 8493), (1937, 6327), (2109, 5811), (2223, 5513), (2831, 4329)]