72578571

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 111152736

約数和(自身を除く): 38574165

約数列:

[1, 3, 13, 37, 39, 53, 73, 111, 159, 169, 219, 481, 507, 689, 949, 1443, 1961, 2067, 2701, 2847, 3869, 5883, 6253, 8103, 8957, 11607, 12337, 18759, 25493, 26871, 35113, 37011, 50297, 76479, 105339, 143153, 150891, 331409, 429459, 456469, 653861, 994227, 1369407, 1860989, 1961583, 5582967, 24192857, 72578571]

約数ペア:

[(1, 72578571), (3, 24192857), (13, 5582967), (37, 1961583), (39, 1860989), (53, 1369407), (73, 994227), (111, 653861), (159, 456469), (169, 429459), (219, 331409), (481, 150891), (507, 143153), (689, 105339), (949, 76479), (1443, 50297), (1961, 37011), (2067, 35113), (2701, 26871), (2847, 25493), (3869, 18759), (5883, 12337), (6253, 11607), (8103, 8957)]