205078041

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 360806400

約数和(自身を除く): 155728359

約数列:

[1, 3, 7, 9, 21, 27, 53, 59, 63, 159, 177, 189, 347, 371, 413, 477, 531, 1041, 1113, 1239, 1431, 1593, 2429, 3123, 3127, 3339, 3717, 7287, 9369, 9381, 10017, 11151, 18391, 20473, 21861, 21889, 28143, 55173, 61419, 65583, 65667, 84429, 128737, 143311, 165519, 184257, 197001, 386211, 429933, 496557, 552771, 591003, 1085069, 1158633, 1289799, 3255207, 3475899, 3869397, 7595483, 9765621, 22786449, 29296863, 68359347, 205078041]

約数ペア:

[(1, 205078041), (3, 68359347), (7, 29296863), (9, 22786449), (21, 9765621), (27, 7595483), (53, 3869397), (59, 3475899), (63, 3255207), (159, 1289799), (177, 1158633), (189, 1085069), (347, 591003), (371, 552771), (413, 496557), (477, 429933), (531, 386211), (1041, 197001), (1113, 184257), (1239, 165519), (1431, 143311), (1593, 128737), (2429, 84429), (3123, 65667), (3127, 65583), (3339, 61419), (3717, 55173), (7287, 28143), (9369, 21889), (9381, 21861), (10017, 20473), (11151, 18391)]