207647517

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 360972288

約数和(自身を除く): 153324771

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 107, 217, 231, 271, 321, 341, 651, 749, 813, 1023, 1177, 1897, 2247, 2387, 2981, 3317, 3531, 5691, 7161, 8239, 8401, 8943, 9951, 20867, 23219, 24717, 25203, 28997, 36487, 58807, 62601, 69657, 86991, 92411, 109461, 176421, 202979, 255409, 277233, 318967, 608937, 646877, 766227, 898907, 956901, 1940631, 2232769, 2696721, 6292349, 6698307, 9887977, 18877047, 29663931, 69215839, 207647517]

約数ペア:

[(1, 207647517), (3, 69215839), (7, 29663931), (11, 18877047), (21, 9887977), (31, 6698307), (33, 6292349), (77, 2696721), (93, 2232769), (107, 1940631), (217, 956901), (231, 898907), (271, 766227), (321, 646877), (341, 608937), (651, 318967), (749, 277233), (813, 255409), (1023, 202979), (1177, 176421), (1897, 109461), (2247, 92411), (2387, 86991), (2981, 69657), (3317, 62601), (3531, 58807), (5691, 36487), (7161, 28997), (8239, 25203), (8401, 24717), (8943, 23219), (9951, 20867)]