285321141

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 494247936

約数和(自身を除く): 208926795

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 223, 483, 669, 883, 1449, 1561, 2007, 2649, 4683, 5129, 6181, 7947, 14049, 15387, 18543, 20309, 35903, 46161, 55629, 60927, 107709, 142163, 182781, 196909, 323127, 426489, 590727, 1279467, 1378363, 1772181, 4135089, 4528907, 12405267, 13586721, 31702349, 40760163, 95107047, 285321141]

約数ペア:

[(1, 285321141), (3, 95107047), (7, 40760163), (9, 31702349), (21, 13586721), (23, 12405267), (63, 4528907), (69, 4135089), (161, 1772181), (207, 1378363), (223, 1279467), (483, 590727), (669, 426489), (883, 323127), (1449, 196909), (1561, 182781), (2007, 142163), (2649, 107709), (4683, 60927), (5129, 55629), (6181, 46161), (7947, 35903), (14049, 20309), (15387, 18543)]