209277621

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 381911040

約数和(自身を除く): 172633419

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 207, 217, 279, 483, 621, 651, 713, 837, 1449, 1553, 1953, 2139, 4347, 4659, 4991, 5859, 6417, 10871, 13977, 14973, 19251, 32613, 35719, 41931, 44919, 48143, 97839, 107157, 134757, 144429, 250033, 293517, 321471, 337001, 433287, 750099, 964413, 1011003, 1107289, 1299861, 2250297, 3033009, 3321867, 6750891, 7751023, 9099027, 9965601, 23253069, 29896803, 69759207, 209277621]

約数ペア:

[(1, 209277621), (3, 69759207), (7, 29896803), (9, 23253069), (21, 9965601), (23, 9099027), (27, 7751023), (31, 6750891), (63, 3321867), (69, 3033009), (93, 2250297), (161, 1299861), (189, 1107289), (207, 1011003), (217, 964413), (279, 750099), (483, 433287), (621, 337001), (651, 321471), (713, 293517), (837, 250033), (1449, 144429), (1553, 134757), (1953, 107157), (2139, 97839), (4347, 48143), (4659, 44919), (4991, 41931), (5859, 35719), (6417, 32613), (10871, 19251), (13977, 14973)]