208039707

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 322077600

約数和(自身を除く): 114037893

約数列:

[1, 3, 9, 29, 61, 73, 87, 179, 183, 219, 261, 537, 549, 657, 1611, 1769, 2117, 4453, 5191, 5307, 6351, 10919, 13067, 13359, 15573, 15921, 19053, 32757, 39201, 40077, 46719, 98271, 117603, 129137, 316651, 378943, 387411, 797087, 949953, 1136829, 1162233, 2391261, 2849859, 3410487, 7173783, 23115523, 69346569, 208039707]

約数ペア:

[(1, 208039707), (3, 69346569), (9, 23115523), (29, 7173783), (61, 3410487), (73, 2849859), (87, 2391261), (179, 1162233), (183, 1136829), (219, 949953), (261, 797087), (537, 387411), (549, 378943), (657, 316651), (1611, 129137), (1769, 117603), (2117, 98271), (4453, 46719), (5191, 40077), (5307, 39201), (6351, 32757), (10919, 19053), (13067, 15921), (13359, 15573)]