81450495

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{1759}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 168960000

約数和(自身を除く): 87509505

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 945, 1029, 1323, 1715, 1759, 2205, 3087, 5145, 5277, 6615, 8795, 9261, 12313, 15435, 15831, 26385, 36939, 46305, 47493, 61565, 79155, 86191, 110817, 184695, 237465, 258573, 332451, 430955, 554085, 603337, 775719, 1292865, 1662255, 1810011, 2327157, 3016685, 3878595, 5430033, 9050055, 11635785, 16290099, 27150165, 81450495]

約数ペア:

[(1, 81450495), (3, 27150165), (5, 16290099), (7, 11635785), (9, 9050055), (15, 5430033), (21, 3878595), (27, 3016685), (35, 2327157), (45, 1810011), (49, 1662255), (63, 1292865), (105, 775719), (135, 603337), (147, 554085), (189, 430955), (245, 332451), (315, 258573), (343, 237465), (441, 184695), (735, 110817), (945, 86191), (1029, 79155), (1323, 61565), (1715, 47493), (1759, 46305), (2205, 36939), (3087, 26385), (5145, 15831), (5277, 15435), (6615, 12313), (8795, 9261)]