131697951

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 230916096

約数和(自身を除く): 99218145

約数列:

[1, 3, 7, 11, 21, 31, 33, 53, 77, 93, 159, 217, 231, 341, 347, 371, 583, 651, 1023, 1041, 1113, 1643, 1749, 2387, 2429, 3817, 4081, 4929, 7161, 7287, 10757, 11451, 11501, 12243, 18073, 18391, 26719, 32271, 34503, 54219, 55173, 75299, 80157, 118327, 126511, 128737, 202301, 225897, 354981, 379533, 386211, 570121, 606903, 828289, 1416107, 1710363, 2484867, 3990847, 4248321, 6271331, 11972541, 18813993, 43899317, 131697951]

約数ペア:

[(1, 131697951), (3, 43899317), (7, 18813993), (11, 11972541), (21, 6271331), (31, 4248321), (33, 3990847), (53, 2484867), (77, 1710363), (93, 1416107), (159, 828289), (217, 606903), (231, 570121), (341, 386211), (347, 379533), (371, 354981), (583, 225897), (651, 202301), (1023, 128737), (1041, 126511), (1113, 118327), (1643, 80157), (1749, 75299), (2387, 55173), (2429, 54219), (3817, 34503), (4081, 32271), (4929, 26719), (7161, 18391), (7287, 18073), (10757, 12243), (11451, 11501)]