12187305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 10928151

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 83, 117, 195, 249, 251, 415, 585, 747, 753, 1079, 1245, 1255, 2259, 3237, 3263, 3735, 3765, 5395, 9711, 9789, 11295, 16185, 16315, 20833, 29367, 48555, 48945, 62499, 104165, 146835, 187497, 270829, 312495, 812487, 937485, 1354145, 2437461, 4062435, 12187305]

約数ペア:

[(1, 12187305), (3, 4062435), (5, 2437461), (9, 1354145), (13, 937485), (15, 812487), (39, 312495), (45, 270829), (65, 187497), (83, 146835), (117, 104165), (195, 62499), (249, 48945), (251, 48555), (415, 29367), (585, 20833), (747, 16315), (753, 16185), (1079, 11295), (1245, 9789), (1255, 9711), (2259, 5395), (3237, 3765), (3263, 3735)]