1978889445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{260209}}^1$

素因数の和:260246

約数の個数: 36

約数和(自身を含む): 3714237540

約数和(自身を除く): 1735348095

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 7605, 260209, 780627, 1301045, 2341881, 3382717, 3903135, 10148151, 11709405, 16913585, 30444453, 43975321, 50740755, 131925963, 152222265, 219876605, 395777889, 659629815, 1978889445]

約数ペア:

[(1, 1978889445), (3, 659629815), (5, 395777889), (9, 219876605), (13, 152222265), (15, 131925963), (39, 50740755), (45, 43975321), (65, 30444453), (117, 16913585), (169, 11709405), (195, 10148151), (507, 3903135), (585, 3382717), (845, 2341881), (1521, 1301045), (2535, 780627), (7605, 260209)]