66705639

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 121175040

約数和(自身を除く): 54469401

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 97, 143, 229, 231, 273, 291, 429, 679, 687, 1001, 1067, 1261, 1603, 2037, 2519, 2977, 3003, 3201, 3783, 4809, 7469, 7557, 8827, 8931, 13871, 17633, 20839, 22213, 22407, 26481, 32747, 41613, 52899, 62517, 66639, 97097, 98241, 155491, 229229, 244343, 288769, 291291, 466473, 687687, 733029, 866307, 1710401, 2021383, 3176459, 5131203, 6064149, 9529377, 22235213, 66705639]

約数ペア:

[(1, 66705639), (3, 22235213), (7, 9529377), (11, 6064149), (13, 5131203), (21, 3176459), (33, 2021383), (39, 1710401), (77, 866307), (91, 733029), (97, 687687), (143, 466473), (229, 291291), (231, 288769), (273, 244343), (291, 229229), (429, 155491), (679, 98241), (687, 97097), (1001, 66639), (1067, 62517), (1261, 52899), (1603, 41613), (2037, 32747), (2519, 26481), (2977, 22407), (3003, 22213), (3201, 20839), (3783, 17633), (4809, 13871), (7469, 8931), (7557, 8827)]