51120531

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 96092160

約数和(自身を除く): 44971629

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 67, 77, 99, 189, 201, 231, 297, 367, 469, 603, 693, 737, 1101, 1407, 1809, 2079, 2211, 2569, 3303, 4037, 4221, 5159, 6633, 7707, 9909, 12111, 12663, 15477, 19899, 23121, 24589, 28259, 36333, 46431, 69363, 73767, 84777, 108999, 139293, 172123, 221301, 254331, 270479, 516369, 663903, 762993, 811437, 1549107, 1893353, 2434311, 4647321, 5680059, 7302933, 17040177, 51120531]

約数ペア:

[(1, 51120531), (3, 17040177), (7, 7302933), (9, 5680059), (11, 4647321), (21, 2434311), (27, 1893353), (33, 1549107), (63, 811437), (67, 762993), (77, 663903), (99, 516369), (189, 270479), (201, 254331), (231, 221301), (297, 172123), (367, 139293), (469, 108999), (603, 84777), (693, 73767), (737, 69363), (1101, 46431), (1407, 36333), (1809, 28259), (2079, 24589), (2211, 23121), (2569, 19899), (3303, 15477), (4037, 12663), (4221, 12111), (5159, 9909), (6633, 7707)]