64777479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 101388672

約数和(自身を除く): 36611193

約数列:

[1, 3, 13, 19, 39, 43, 57, 107, 129, 247, 321, 361, 559, 741, 817, 1083, 1391, 1677, 2033, 2451, 4173, 4601, 4693, 6099, 10621, 13803, 14079, 15523, 26429, 31863, 38627, 46569, 59813, 79287, 87419, 115881, 179439, 201799, 262257, 502151, 605397, 1136447, 1506453, 1660961, 3409341, 4982883, 21592493, 64777479]

約数ペア:

[(1, 64777479), (3, 21592493), (13, 4982883), (19, 3409341), (39, 1660961), (43, 1506453), (57, 1136447), (107, 605397), (129, 502151), (247, 262257), (321, 201799), (361, 179439), (559, 115881), (741, 87419), (817, 79287), (1083, 59813), (1391, 46569), (1677, 38627), (2033, 31863), (2451, 26429), (4173, 15523), (4601, 14079), (4693, 13803), (6099, 10621)]