140652981

素因数分解:

$3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 248191008

約数和(自身を除く): 107538027

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 283, 343, 441, 483, 849, 1029, 1127, 1449, 1981, 2401, 2547, 3087, 3381, 5943, 6509, 7203, 7889, 10143, 13867, 17829, 19527, 21609, 23667, 41601, 45563, 55223, 58581, 71001, 97069, 124803, 136689, 165669, 291207, 318941, 410067, 497007, 679483, 873621, 956823, 2038449, 2232587, 2870469, 6115347, 6697761, 15628109, 20093283, 46884327, 140652981]

約数ペア:

[(1, 140652981), (3, 46884327), (7, 20093283), (9, 15628109), (21, 6697761), (23, 6115347), (49, 2870469), (63, 2232587), (69, 2038449), (147, 956823), (161, 873621), (207, 679483), (283, 497007), (343, 410067), (441, 318941), (483, 291207), (849, 165669), (1029, 136689), (1127, 124803), (1449, 97069), (1981, 71001), (2401, 58581), (2547, 55223), (3087, 45563), (3381, 41601), (5943, 23667), (6509, 21609), (7203, 19527), (7889, 17829), (10143, 13867)]