28597569

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 23657151

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 89, 91, 107, 143, 231, 267, 273, 321, 429, 623, 749, 979, 1001, 1157, 1177, 1391, 1869, 2247, 2937, 3003, 3471, 3531, 4173, 6853, 8099, 8239, 9523, 9737, 12727, 15301, 20559, 24297, 24717, 28569, 29211, 38181, 45903, 66661, 89089, 104753, 107107, 123799, 199983, 267267, 314259, 321321, 371397, 733271, 866593, 1361789, 2199813, 2599779, 4085367, 9532523, 28597569]

約数ペア:

[(1, 28597569), (3, 9532523), (7, 4085367), (11, 2599779), (13, 2199813), (21, 1361789), (33, 866593), (39, 733271), (77, 371397), (89, 321321), (91, 314259), (107, 267267), (143, 199983), (231, 123799), (267, 107107), (273, 104753), (321, 89089), (429, 66661), (623, 45903), (749, 38181), (979, 29211), (1001, 28569), (1157, 24717), (1177, 24297), (1391, 20559), (1869, 15301), (2247, 12727), (2937, 9737), (3003, 9523), (3471, 8239), (3531, 8099), (4173, 6853)]