17996121

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 14259879

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 59, 79, 99, 117, 143, 177, 237, 297, 351, 429, 531, 649, 711, 767, 869, 1027, 1287, 1593, 1947, 2133, 2301, 2607, 3081, 3861, 4661, 5841, 6903, 7821, 8437, 9243, 11297, 13983, 17523, 20709, 23463, 25311, 27729, 33891, 41949, 51271, 60593, 75933, 101673, 125847, 153813, 181779, 227799, 305019, 461439, 545337, 666523, 1384317, 1636011, 1999569, 5998707, 17996121]

約数ペア:

[(1, 17996121), (3, 5998707), (9, 1999569), (11, 1636011), (13, 1384317), (27, 666523), (33, 545337), (39, 461439), (59, 305019), (79, 227799), (99, 181779), (117, 153813), (143, 125847), (177, 101673), (237, 75933), (297, 60593), (351, 51271), (429, 41949), (531, 33891), (649, 27729), (711, 25311), (767, 23463), (869, 20709), (1027, 17523), (1287, 13983), (1593, 11297), (1947, 9243), (2133, 8437), (2301, 7821), (2607, 6903), (3081, 5841), (3861, 4661)]