51986697

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 86873472

約数和(自身を除く): 34886775

約数列:

[1, 3, 7, 17, 21, 49, 51, 71, 119, 147, 213, 293, 357, 497, 833, 879, 1207, 1491, 2051, 2499, 3479, 3621, 4981, 6153, 8449, 10437, 14357, 14943, 20803, 25347, 34867, 43071, 59143, 62409, 104601, 145621, 177429, 244069, 353651, 436863, 732207, 1019347, 1060953, 2475557, 3058041, 7426671, 17328899, 51986697]

約数ペア:

[(1, 51986697), (3, 17328899), (7, 7426671), (17, 3058041), (21, 2475557), (49, 1060953), (51, 1019347), (71, 732207), (119, 436863), (147, 353651), (213, 244069), (293, 177429), (357, 145621), (497, 104601), (833, 62409), (879, 59143), (1207, 43071), (1491, 34867), (2051, 25347), (2499, 20803), (3479, 14943), (3621, 14357), (4981, 10437), (6153, 8449)]