71666985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 131549184

約数和(自身を除く): 59882199

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 507, 663, 845, 1105, 1663, 2535, 2873, 3315, 4989, 8315, 8619, 14365, 21619, 24945, 28271, 43095, 64857, 84813, 108095, 141355, 281047, 324285, 367523, 424065, 843141, 1102569, 1405235, 1837615, 4215705, 4777799, 5512845, 14333397, 23888995, 71666985]

約数ペア:

[(1, 71666985), (3, 23888995), (5, 14333397), (13, 5512845), (15, 4777799), (17, 4215705), (39, 1837615), (51, 1405235), (65, 1102569), (85, 843141), (169, 424065), (195, 367523), (221, 324285), (255, 281047), (507, 141355), (663, 108095), (845, 84813), (1105, 64857), (1663, 43095), (2535, 28271), (2873, 24945), (3315, 21619), (4989, 14365), (8315, 8619)]