18745841691

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 28857628800

約数和(自身を除く): 10111787109

約数列:

[1, 3, 9, 27, 41, 109, 123, 327, 337, 369, 461, 981, 1011, 1107, 1383, 2943, 3033, 4149, 4469, 9099, 12447, 13407, 13817, 18901, 36733, 40221, 41451, 50249, 56703, 110199, 120663, 124353, 150747, 155357, 170109, 330597, 373059, 452241, 466071, 510327, 991791, 1356723, 1398213, 1506053, 2060209, 4194639, 4518159, 6180627, 6369637, 13554477, 16933913, 18541881, 19108911, 40663431, 50801739, 55625643, 57326733, 152405217, 171980199, 457215651, 694290433, 2082871299, 6248613897, 18745841691]

約数ペア:

[(1, 18745841691), (3, 6248613897), (9, 2082871299), (27, 694290433), (41, 457215651), (109, 171980199), (123, 152405217), (327, 57326733), (337, 55625643), (369, 50801739), (461, 40663431), (981, 19108911), (1011, 18541881), (1107, 16933913), (1383, 13554477), (2943, 6369637), (3033, 6180627), (4149, 4518159), (4469, 4194639), (9099, 2060209), (12447, 1506053), (13407, 1398213), (13817, 1356723), (18901, 991791), (36733, 510327), (40221, 466071), (41451, 452241), (50249, 373059), (56703, 330597), (110199, 170109), (120663, 155357), (124353, 150747)]