71706765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 132765696

約数和(自身を除く): 61058931

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 97, 195, 221, 223, 255, 291, 485, 663, 669, 1105, 1115, 1261, 1455, 1649, 2899, 3315, 3345, 3783, 3791, 4947, 6305, 8245, 8697, 11373, 14495, 18915, 18955, 21437, 21631, 24735, 43485, 49283, 56865, 64311, 64893, 107185, 108155, 147849, 246415, 281203, 321555, 324465, 367727, 739245, 843609, 1103181, 1406015, 1838635, 4218045, 4780451, 5515905, 14341353, 23902255, 71706765]

約数ペア:

[(1, 71706765), (3, 23902255), (5, 14341353), (13, 5515905), (15, 4780451), (17, 4218045), (39, 1838635), (51, 1406015), (65, 1103181), (85, 843609), (97, 739245), (195, 367727), (221, 324465), (223, 321555), (255, 281203), (291, 246415), (485, 147849), (663, 108155), (669, 107185), (1105, 64893), (1115, 64311), (1261, 56865), (1455, 49283), (1649, 43485), (2899, 24735), (3315, 21631), (3345, 21437), (3783, 18955), (3791, 18915), (4947, 14495), (6305, 11373), (8245, 8697)]