199499601

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 332943360

約数和(自身を除く): 133443759

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 127, 133, 217, 381, 399, 589, 651, 889, 1767, 2413, 2667, 3937, 4123, 7239, 11811, 12369, 16129, 16891, 27559, 48387, 50673, 74803, 82677, 112903, 224409, 306451, 338709, 499999, 523621, 919353, 1499997, 1570863, 2145157, 3499993, 6435471, 9499981, 10499979, 28499943, 66499867, 199499601]

約数ペア:

[(1, 199499601), (3, 66499867), (7, 28499943), (19, 10499979), (21, 9499981), (31, 6435471), (57, 3499993), (93, 2145157), (127, 1570863), (133, 1499997), (217, 919353), (381, 523621), (399, 499999), (589, 338709), (651, 306451), (889, 224409), (1767, 112903), (2413, 82677), (2667, 74803), (3937, 50673), (4123, 48387), (7239, 27559), (11811, 16891), (12369, 16129)]