248191209

素因数分解:

$3^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 433060992

約数和(自身を除く): 184869783

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 243, 371, 477, 567, 1113, 1431, 1701, 2753, 3339, 4293, 8259, 10017, 12879, 19271, 24777, 30051, 57813, 74331, 90153, 145909, 173439, 222993, 437727, 520317, 668979, 1021363, 1313181, 1560951, 3064089, 3939543, 4682853, 9192267, 11818629, 27576801, 35455887, 82730403, 248191209]

約数ペア:

[(1, 248191209), (3, 82730403), (7, 35455887), (9, 27576801), (21, 11818629), (27, 9192267), (53, 4682853), (63, 3939543), (81, 3064089), (159, 1560951), (189, 1313181), (243, 1021363), (371, 668979), (477, 520317), (567, 437727), (1113, 222993), (1431, 173439), (1701, 145909), (2753, 90153), (3339, 74331), (4293, 57813), (8259, 30051), (10017, 24777), (12879, 19271)]