664697151

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{3371}}^1$

素因数の和:3556

約数の個数: 32

約数和(自身を含む): 1008902400

約数和(自身を除く): 344205249

約数列:

[1, 3, 9, 27, 67, 109, 201, 327, 603, 981, 1809, 2943, 3371, 7303, 10113, 21909, 30339, 65727, 91017, 197181, 225857, 367439, 677571, 1102317, 2032713, 3306951, 6098139, 9920853, 24618413, 73855239, 221565717, 664697151]

約数ペア:

[(1, 664697151), (3, 221565717), (9, 73855239), (27, 24618413), (67, 9920853), (109, 6098139), (201, 3306951), (327, 2032713), (603, 1102317), (981, 677571), (1809, 367439), (2943, 225857), (3371, 197181), (7303, 91017), (10113, 65727), (21909, 30339)]