28717845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8663}}^1$

素因数の和:8701

約数の個数: 32

約数和(自身を含む): 52399872

約数和(自身を除く): 23682027

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8663, 25989, 43315, 112619, 129945, 147271, 337857, 441813, 563095, 736355, 1689285, 1914523, 2209065, 5743569, 9572615, 28717845]

約数ペア:

[(1, 28717845), (3, 9572615), (5, 5743569), (13, 2209065), (15, 1914523), (17, 1689285), (39, 736355), (51, 563095), (65, 441813), (85, 337857), (195, 147271), (221, 129945), (255, 112619), (663, 43315), (1105, 25989), (3315, 8663)]