201947889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 335075328

約数和(自身を除く): 133127439

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 97, 143, 211, 253, 291, 299, 429, 633, 759, 897, 1067, 1261, 2231, 2321, 2743, 3201, 3289, 3783, 4853, 6693, 6963, 8229, 9867, 13871, 14559, 20467, 24541, 29003, 30173, 41613, 53383, 61401, 63089, 73623, 87009, 90519, 160149, 189267, 225137, 266071, 319033, 470741, 675411, 693979, 798213, 957099, 1412223, 2081937, 2926781, 5178151, 6119633, 8780343, 15534453, 18358899, 67315963, 201947889]

約数ペア:

[(1, 201947889), (3, 67315963), (11, 18358899), (13, 15534453), (23, 8780343), (33, 6119633), (39, 5178151), (69, 2926781), (97, 2081937), (143, 1412223), (211, 957099), (253, 798213), (291, 693979), (299, 675411), (429, 470741), (633, 319033), (759, 266071), (897, 225137), (1067, 189267), (1261, 160149), (2231, 90519), (2321, 87009), (2743, 73623), (3201, 63089), (3289, 61401), (3783, 53383), (4853, 41613), (6693, 30173), (6963, 29003), (8229, 24541), (9867, 20467), (13871, 14559)]