206869887

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^2$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 351069264

約数和(自身を除く): 144199377

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 283, 287, 369, 849, 861, 1981, 2547, 2583, 5943, 11603, 17829, 34809, 80089, 81221, 104427, 240267, 243663, 560623, 720801, 730989, 1681869, 3283649, 5045607, 9850947, 22985543, 29552841, 68956629, 206869887]

約数ペア:

[(1, 206869887), (3, 68956629), (7, 29552841), (9, 22985543), (21, 9850947), (41, 5045607), (63, 3283649), (123, 1681869), (283, 730989), (287, 720801), (369, 560623), (849, 243663), (861, 240267), (1981, 104427), (2547, 81221), (2583, 80089), (5943, 34809), (11603, 17829)]