64801191

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 116300160

約数和(自身を除く): 51498969

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 169, 217, 247, 273, 399, 403, 507, 589, 651, 741, 961, 1183, 1209, 1729, 1767, 2821, 2883, 3211, 3549, 4123, 5187, 5239, 6727, 7657, 8463, 9633, 12369, 12493, 15717, 18259, 20181, 22477, 22971, 36673, 37479, 53599, 54777, 67431, 87451, 99541, 110019, 127813, 160797, 162409, 237367, 262353, 298623, 383439, 487227, 696787, 712101, 1136863, 1661569, 2090361, 3085771, 3410589, 4984707, 9257313, 21600397, 64801191]

約数ペア:

[(1, 64801191), (3, 21600397), (7, 9257313), (13, 4984707), (19, 3410589), (21, 3085771), (31, 2090361), (39, 1661569), (57, 1136863), (91, 712101), (93, 696787), (133, 487227), (169, 383439), (217, 298623), (247, 262353), (273, 237367), (399, 162409), (403, 160797), (507, 127813), (589, 110019), (651, 99541), (741, 87451), (961, 67431), (1183, 54777), (1209, 53599), (1729, 37479), (1767, 36673), (2821, 22971), (2883, 22477), (3211, 20181), (3549, 18259), (4123, 15717), (5187, 12493), (5239, 12369), (6727, 9633), (7657, 8463)]