208065195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 395675280

約数和(自身を除く): 187610085

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 109, 117, 169, 195, 251, 327, 507, 545, 585, 753, 845, 981, 1255, 1417, 1521, 1635, 2259, 2535, 3263, 3765, 4251, 4905, 7085, 7605, 9789, 11295, 12753, 16315, 18421, 21255, 27359, 29367, 42419, 48945, 55263, 63765, 82077, 92105, 127257, 136795, 146835, 165789, 212095, 246231, 276315, 355667, 381771, 410385, 636285, 828945, 1067001, 1231155, 1778335, 1908855, 3201003, 4623671, 5335005, 13871013, 16005015, 23118355, 41613039, 69355065, 208065195]

約数ペア:

[(1, 208065195), (3, 69355065), (5, 41613039), (9, 23118355), (13, 16005015), (15, 13871013), (39, 5335005), (45, 4623671), (65, 3201003), (109, 1908855), (117, 1778335), (169, 1231155), (195, 1067001), (251, 828945), (327, 636285), (507, 410385), (545, 381771), (585, 355667), (753, 276315), (845, 246231), (981, 212095), (1255, 165789), (1417, 146835), (1521, 136795), (1635, 127257), (2259, 92105), (2535, 82077), (3263, 63765), (3765, 55263), (4251, 48945), (4905, 42419), (7085, 29367), (7605, 27359), (9789, 21255), (11295, 18421), (12753, 16315)]