181865619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 297609312

約数和(自身を除く): 115743693

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 333, 387, 481, 559, 977, 1443, 1591, 1677, 2931, 4329, 4773, 5031, 8793, 12701, 14319, 20683, 36149, 38103, 42011, 62049, 108447, 114309, 126033, 186147, 325341, 378099, 469937, 546143, 1409811, 1554407, 1638429, 4229433, 4663221, 4915287, 13989663, 20207291, 60621873, 181865619]

約数ペア:

[(1, 181865619), (3, 60621873), (9, 20207291), (13, 13989663), (37, 4915287), (39, 4663221), (43, 4229433), (111, 1638429), (117, 1554407), (129, 1409811), (333, 546143), (387, 469937), (481, 378099), (559, 325341), (977, 186147), (1443, 126033), (1591, 114309), (1677, 108447), (2931, 62049), (4329, 42011), (4773, 38103), (5031, 36149), (8793, 20683), (12701, 14319)]