12740325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 23123520

約数和(自身を除く): 10383195

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 179, 195, 219, 325, 365, 537, 895, 949, 975, 1095, 1825, 2327, 2685, 2847, 4475, 4745, 5475, 6981, 11635, 13067, 13425, 14235, 23725, 34905, 39201, 58175, 65335, 71175, 169871, 174525, 196005, 326675, 509613, 849355, 980025, 2548065, 4246775, 12740325]

約数ペア:

[(1, 12740325), (3, 4246775), (5, 2548065), (13, 980025), (15, 849355), (25, 509613), (39, 326675), (65, 196005), (73, 174525), (75, 169871), (179, 71175), (195, 65335), (219, 58175), (325, 39201), (365, 34905), (537, 23725), (895, 14235), (949, 13425), (975, 13067), (1095, 11635), (1825, 6981), (2327, 5475), (2685, 4745), (2847, 4475)]