5115123

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 8784000

約数和(自身を除く): 3668877

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 59, 117, 169, 171, 177, 247, 351, 507, 513, 531, 741, 767, 1121, 1521, 1593, 2223, 2301, 3211, 3363, 4563, 6669, 6903, 9633, 9971, 10089, 14573, 20709, 28899, 29913, 30267, 43719, 86697, 89739, 131157, 189449, 269217, 393471, 568347, 1705041, 5115123]

約数ペア:

[(1, 5115123), (3, 1705041), (9, 568347), (13, 393471), (19, 269217), (27, 189449), (39, 131157), (57, 89739), (59, 86697), (117, 43719), (169, 30267), (171, 29913), (177, 28899), (247, 20709), (351, 14573), (507, 10089), (513, 9971), (531, 9633), (741, 6903), (767, 6669), (1121, 4563), (1521, 3363), (1593, 3211), (2223, 2301)]