66571869

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 114960384

約数和(自身を除く): 48388515

約数列:

[1, 3, 7, 13, 21, 39, 43, 53, 91, 107, 129, 159, 273, 301, 321, 371, 559, 689, 749, 903, 1113, 1391, 1677, 2067, 2247, 2279, 3913, 4173, 4601, 4823, 5671, 6837, 9737, 11739, 13803, 14469, 15953, 17013, 29211, 29627, 32207, 39697, 47859, 59813, 73723, 88881, 96621, 119091, 179439, 207389, 221169, 243853, 418691, 516061, 622167, 731559, 1256073, 1548183, 1706971, 3170089, 5120913, 9510267, 22190623, 66571869]

約数ペア:

[(1, 66571869), (3, 22190623), (7, 9510267), (13, 5120913), (21, 3170089), (39, 1706971), (43, 1548183), (53, 1256073), (91, 731559), (107, 622167), (129, 516061), (159, 418691), (273, 243853), (301, 221169), (321, 207389), (371, 179439), (559, 119091), (689, 96621), (749, 88881), (903, 73723), (1113, 59813), (1391, 47859), (1677, 39697), (2067, 32207), (2247, 29627), (2279, 29211), (3913, 17013), (4173, 15953), (4601, 14469), (4823, 13803), (5671, 11739), (6837, 9737)]