2080496907

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 3453401952

約数和(自身を除く): 1372905045

約数列:

[1, 3, 9, 17, 27, 41, 43, 51, 81, 123, 129, 153, 369, 387, 459, 697, 731, 857, 1107, 1161, 1377, 1763, 2091, 2193, 2571, 3321, 3483, 5289, 6273, 6579, 7713, 14569, 15867, 18819, 19737, 23139, 29971, 35137, 36851, 43707, 47601, 56457, 59211, 69417, 89913, 105411, 110553, 131121, 142803, 269739, 316233, 331659, 393363, 597329, 626467, 809217, 948699, 994977, 1180089, 1510891, 1791987, 1879401, 2427651, 2846097, 2984931, 4532673, 5375961, 5638203, 13598019, 16127883, 16914609, 25685147, 40794057, 48383649, 50743827, 77055441, 122382171, 231166323, 693498969, 2080496907]

約数ペア:

[(1, 2080496907), (3, 693498969), (9, 231166323), (17, 122382171), (27, 77055441), (41, 50743827), (43, 48383649), (51, 40794057), (81, 25685147), (123, 16914609), (129, 16127883), (153, 13598019), (369, 5638203), (387, 5375961), (459, 4532673), (697, 2984931), (731, 2846097), (857, 2427651), (1107, 1879401), (1161, 1791987), (1377, 1510891), (1763, 1180089), (2091, 994977), (2193, 948699), (2571, 809217), (3321, 626467), (3483, 597329), (5289, 393363), (6273, 331659), (6579, 316233), (7713, 269739), (14569, 142803), (15867, 131121), (18819, 110553), (19737, 105411), (23139, 89913), (29971, 69417), (35137, 59211), (36851, 56457), (43707, 47601)]