208035201

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 315537408

約数和(自身を除く): 107502207

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 407, 737, 1221, 2211, 2479, 2543, 7437, 7629, 27269, 27973, 81807, 83919, 94091, 170381, 282273, 511143, 1035001, 1874191, 3105003, 5622573, 6304097, 18912291, 69345067, 208035201]

約数ペア:

[(1, 208035201), (3, 69345067), (11, 18912291), (33, 6304097), (37, 5622573), (67, 3105003), (111, 1874191), (201, 1035001), (407, 511143), (737, 282273), (1221, 170381), (2211, 94091), (2479, 83919), (2543, 81807), (7437, 27973), (7629, 27269)]