127539927

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 196682112

約数和(自身を除く): 69142185

約数列:

[1, 3, 9, 27, 67, 71, 81, 201, 213, 331, 603, 639, 993, 1809, 1917, 2979, 4757, 5427, 5751, 8937, 14271, 22177, 23501, 26811, 42813, 66531, 70503, 128439, 199593, 211509, 385317, 598779, 634527, 1574567, 1796337, 1903581, 4723701, 14171103, 42513309, 127539927]

約数ペア:

[(1, 127539927), (3, 42513309), (9, 14171103), (27, 4723701), (67, 1903581), (71, 1796337), (81, 1574567), (201, 634527), (213, 598779), (331, 385317), (603, 211509), (639, 199593), (993, 128439), (1809, 70503), (1917, 66531), (2979, 42813), (4757, 26811), (5427, 23501), (5751, 22177), (8937, 14271)]