2560383

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 4915200

約数和(自身を除く): 2354817

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 31, 57, 63, 69, 93, 133, 161, 171, 189, 207, 217, 279, 399, 437, 483, 513, 589, 621, 651, 713, 837, 1197, 1311, 1449, 1767, 1953, 2139, 3059, 3591, 3933, 4123, 4347, 4991, 5301, 5859, 6417, 9177, 11799, 12369, 13547, 14973, 15903, 19251, 27531, 37107, 40641, 44919, 82593, 94829, 111321, 121923, 134757, 284487, 365769, 853461, 2560383]

約数ペア:

[(1, 2560383), (3, 853461), (7, 365769), (9, 284487), (19, 134757), (21, 121923), (23, 111321), (27, 94829), (31, 82593), (57, 44919), (63, 40641), (69, 37107), (93, 27531), (133, 19251), (161, 15903), (171, 14973), (189, 13547), (207, 12369), (217, 11799), (279, 9177), (399, 6417), (437, 5859), (483, 5301), (513, 4991), (589, 4347), (621, 4123), (651, 3933), (713, 3591), (837, 3059), (1197, 2139), (1311, 1953), (1449, 1767)]