2951278659

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 5487340320

約数和(自身を除く): 2536061661

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 81, 109, 119, 153, 159, 189, 327, 357, 371, 459, 477, 567, 763, 901, 981, 1071, 1113, 1377, 1431, 1853, 2289, 2703, 2809, 2943, 3213, 3339, 4293, 5559, 5777, 6307, 6867, 8109, 8427, 8829, 9639, 10017, 12971, 16677, 17331, 18921, 19663, 20601, 24327, 25281, 30051, 38913, 40439, 47753, 50031, 51993, 56763, 58989, 61803, 72981, 75843, 98209, 116739, 121317, 143259, 150093, 155979, 170289, 176967, 227529, 294627, 306181, 334271, 350217, 363951, 429777, 467937, 510867, 530901, 687463, 883881, 918543, 1002813, 1050651, 1091853, 1289331, 1592703, 2062389, 2143267, 2651643, 2755629, 3008439, 3275559, 3867993, 5205077, 6187167, 6429801, 7954929, 8266887, 9025317, 15615231, 18561501, 19289403, 24800661, 27075951, 36435539, 46845693, 55684503, 57868209, 109306617, 140537079, 173604627, 327919851, 421611237, 983759553, 2951278659]

約数ペア:

[(1, 2951278659), (3, 983759553), (7, 421611237), (9, 327919851), (17, 173604627), (21, 140537079), (27, 109306617), (51, 57868209), (53, 55684503), (63, 46845693), (81, 36435539), (109, 27075951), (119, 24800661), (153, 19289403), (159, 18561501), (189, 15615231), (327, 9025317), (357, 8266887), (371, 7954929), (459, 6429801), (477, 6187167), (567, 5205077), (763, 3867993), (901, 3275559), (981, 3008439), (1071, 2755629), (1113, 2651643), (1377, 2143267), (1431, 2062389), (1853, 1592703), (2289, 1289331), (2703, 1091853), (2809, 1050651), (2943, 1002813), (3213, 918543), (3339, 883881), (4293, 687463), (5559, 530901), (5777, 510867), (6307, 467937), (6867, 429777), (8109, 363951), (8427, 350217), (8829, 334271), (9639, 306181), (10017, 294627), (12971, 227529), (16677, 176967), (17331, 170289), (18921, 155979), (19663, 150093), (20601, 143259), (24327, 121317), (25281, 116739), (30051, 98209), (38913, 75843), (40439, 72981), (47753, 61803), (50031, 58989), (51993, 56763)]