291239823

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 488374272

約数和(自身を除く): 197134449

約数列:

[1, 3, 7, 21, 23, 31, 53, 69, 93, 159, 161, 217, 367, 371, 483, 651, 713, 1101, 1113, 1219, 1643, 2139, 2569, 3657, 4929, 4991, 7707, 8441, 8533, 11377, 11501, 14973, 19451, 25323, 25599, 34131, 34503, 37789, 58353, 59087, 79639, 113367, 136157, 177261, 238917, 261671, 264523, 408471, 447373, 602981, 785013, 793569, 1342119, 1808943, 1831697, 3131611, 4220867, 5495091, 9394833, 12662601, 13868563, 41605689, 97079941, 291239823]

約数ペア:

[(1, 291239823), (3, 97079941), (7, 41605689), (21, 13868563), (23, 12662601), (31, 9394833), (53, 5495091), (69, 4220867), (93, 3131611), (159, 1831697), (161, 1808943), (217, 1342119), (367, 793569), (371, 785013), (483, 602981), (651, 447373), (713, 408471), (1101, 264523), (1113, 261671), (1219, 238917), (1643, 177261), (2139, 136157), (2569, 113367), (3657, 79639), (4929, 59087), (4991, 58353), (7707, 37789), (8441, 34503), (8533, 34131), (11377, 25599), (11501, 25323), (14973, 19451)]