243358995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 454740480

約数和(自身を除く): 211381485

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 101, 165, 187, 255, 303, 505, 561, 859, 935, 1111, 1515, 1717, 2577, 2805, 3333, 4295, 5151, 5555, 8585, 9449, 12885, 14603, 16665, 18887, 25755, 28347, 43809, 47245, 56661, 73015, 86759, 94435, 141735, 160633, 219045, 260277, 283305, 433795, 481899, 803165, 954349, 1301385, 1474903, 2409495, 2863047, 4424709, 4771745, 7374515, 14315235, 16223933, 22123545, 48671799, 81119665, 243358995]

約数ペア:

[(1, 243358995), (3, 81119665), (5, 48671799), (11, 22123545), (15, 16223933), (17, 14315235), (33, 7374515), (51, 4771745), (55, 4424709), (85, 2863047), (101, 2409495), (165, 1474903), (187, 1301385), (255, 954349), (303, 803165), (505, 481899), (561, 433795), (859, 283305), (935, 260277), (1111, 219045), (1515, 160633), (1717, 141735), (2577, 94435), (2805, 86759), (3333, 73015), (4295, 56661), (5151, 47245), (5555, 43809), (8585, 28347), (9449, 25755), (12885, 18887), (14603, 16665)]