211775205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{4973}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 360993024

約数和(自身を除く): 149217819

約数列:

[1, 3, 5, 15, 17, 51, 85, 167, 255, 501, 835, 2505, 2839, 4973, 8517, 14195, 14919, 24865, 42585, 74595, 84541, 253623, 422705, 830491, 1268115, 2491473, 4152455, 12457365, 14118347, 42355041, 70591735, 211775205]

約数ペア:

[(1, 211775205), (3, 70591735), (5, 42355041), (15, 14118347), (17, 12457365), (51, 4152455), (85, 2491473), (167, 1268115), (255, 830491), (501, 422705), (835, 253623), (2505, 84541), (2839, 74595), (4973, 42585), (8517, 24865), (14195, 14919)]