208664211

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 341402112

約数和(自身を除く): 132737901

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 257, 287, 483, 771, 861, 943, 1681, 1799, 2829, 5043, 5397, 5911, 6601, 10537, 11767, 17733, 19803, 31611, 35301, 38663, 41377, 73759, 115989, 124131, 221277, 242351, 270641, 432017, 727053, 811923, 1296051, 1696457, 3024119, 5089371, 9072357, 9936391, 29809173, 69554737, 208664211]

約数ペア:

[(1, 208664211), (3, 69554737), (7, 29809173), (21, 9936391), (23, 9072357), (41, 5089371), (69, 3024119), (123, 1696457), (161, 1296051), (257, 811923), (287, 727053), (483, 432017), (771, 270641), (861, 242351), (943, 221277), (1681, 124131), (1799, 115989), (2829, 73759), (5043, 41377), (5397, 38663), (5911, 35301), (6601, 31611), (10537, 19803), (11767, 17733)]