51317409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 85494528

約数和(自身を除く): 34177119

約数列:

[1, 3, 11, 13, 33, 37, 39, 53, 61, 111, 143, 159, 183, 407, 429, 481, 583, 671, 689, 793, 1221, 1443, 1749, 1961, 2013, 2067, 2257, 2379, 3233, 5291, 5883, 6771, 7579, 8723, 9699, 15873, 21571, 22737, 24827, 25493, 26169, 29341, 35563, 42029, 64713, 74481, 76479, 88023, 106689, 119621, 126087, 280423, 322751, 358863, 462319, 841269, 968253, 1315831, 1386957, 1555073, 3947493, 4665219, 17105803, 51317409]

約数ペア:

[(1, 51317409), (3, 17105803), (11, 4665219), (13, 3947493), (33, 1555073), (37, 1386957), (39, 1315831), (53, 968253), (61, 841269), (111, 462319), (143, 358863), (159, 322751), (183, 280423), (407, 126087), (429, 119621), (481, 106689), (583, 88023), (671, 76479), (689, 74481), (793, 64713), (1221, 42029), (1443, 35563), (1749, 29341), (1961, 26169), (2013, 25493), (2067, 24827), (2257, 22737), (2379, 21571), (3233, 15873), (5291, 9699), (5883, 8723), (6771, 7579)]