27564225

素因数分解:

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

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 24432447

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1663, 3315, 4989, 5525, 8315, 16575, 21619, 24945, 28271, 41575, 64857, 84813, 108095, 124725, 141355, 324285, 367523, 424065, 540475, 706775, 1102569, 1621425, 1837615, 2120325, 5512845, 9188075, 27564225]

約数ペア:

[(1, 27564225), (3, 9188075), (5, 5512845), (13, 2120325), (15, 1837615), (17, 1621425), (25, 1102569), (39, 706775), (51, 540475), (65, 424065), (75, 367523), (85, 324285), (195, 141355), (221, 124725), (255, 108095), (325, 84813), (425, 64857), (663, 41575), (975, 28271), (1105, 24945), (1275, 21619), (1663, 16575), (3315, 8315), (4989, 5525)]