28404045

素因数分解:

$3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1873}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 49406136

約数和(自身を除く): 21002091

約数列:

[1, 3, 5, 9, 15, 45, 337, 1011, 1685, 1873, 3033, 5055, 5619, 9365, 15165, 16857, 28095, 84285, 631201, 1893603, 3156005, 5680809, 9468015, 28404045]

約数ペア:

[(1, 28404045), (3, 9468015), (5, 5680809), (9, 3156005), (15, 1893603), (45, 631201), (337, 84285), (1011, 28095), (1685, 16857), (1873, 15165), (3033, 9365), (5055, 5619)]