81319665

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 161796096

約数和(自身を除く): 80476431

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 43, 49, 83, 93, 105, 129, 147, 155, 215, 217, 245, 249, 301, 415, 465, 581, 645, 651, 735, 903, 1085, 1245, 1333, 1505, 1519, 1743, 2107, 2573, 2905, 3255, 3569, 3999, 4067, 4515, 4557, 6321, 6665, 7595, 7719, 8715, 9331, 10535, 10707, 12201, 12865, 17845, 18011, 19995, 20335, 22785, 24983, 27993, 31605, 38595, 46655, 53535, 54033, 61005, 65317, 74949, 90055, 110639, 124915, 126077, 139965, 174881, 195951, 270165, 326585, 331917, 374745, 378231, 524643, 553195, 630385, 774473, 874405, 979755, 1659585, 1891155, 2323419, 2623215, 3872365, 5421311, 11617095, 16263933, 27106555, 81319665]

約数ペア:

[(1, 81319665), (3, 27106555), (5, 16263933), (7, 11617095), (15, 5421311), (21, 3872365), (31, 2623215), (35, 2323419), (43, 1891155), (49, 1659585), (83, 979755), (93, 874405), (105, 774473), (129, 630385), (147, 553195), (155, 524643), (215, 378231), (217, 374745), (245, 331917), (249, 326585), (301, 270165), (415, 195951), (465, 174881), (581, 139965), (645, 126077), (651, 124915), (735, 110639), (903, 90055), (1085, 74949), (1245, 65317), (1333, 61005), (1505, 54033), (1519, 53535), (1743, 46655), (2107, 38595), (2573, 31605), (2905, 27993), (3255, 24983), (3569, 22785), (3999, 20335), (4067, 19995), (4515, 18011), (4557, 17845), (6321, 12865), (6665, 12201), (7595, 10707), (7719, 10535), (8715, 9331)]