217873772181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{142903}}^1$

素因数の和:143162

約数の個数: 48

約数和(自身を含む): 345185183616

約数和(自身を除く): 127311411435

約数列:

[1, 3, 9, 13, 39, 83, 117, 157, 249, 471, 747, 1079, 1413, 2041, 3237, 6123, 9711, 13031, 18369, 39093, 117279, 142903, 169403, 428709, 508209, 1286127, 1524627, 1857739, 5573217, 11860949, 16719651, 22435771, 35582847, 67307313, 106748541, 154192337, 201921939, 291665023, 462577011, 874995069, 1387731033, 1862168993, 2624985207, 5586506979, 16759520937, 24208196909, 72624590727, 217873772181]

約数ペア:

[(1, 217873772181), (3, 72624590727), (9, 24208196909), (13, 16759520937), (39, 5586506979), (83, 2624985207), (117, 1862168993), (157, 1387731033), (249, 874995069), (471, 462577011), (747, 291665023), (1079, 201921939), (1413, 154192337), (2041, 106748541), (3237, 67307313), (6123, 35582847), (9711, 22435771), (13031, 16719651), (18369, 11860949), (39093, 5573217), (117279, 1857739), (142903, 1524627), (169403, 1286127), (428709, 508209)]