201781671

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17189}}^1$

素因数の和:17255

約数の個数: 32

約数和(自身を含む): 338849280

約数和(自身を除く): 137067609

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 17189, 51567, 120323, 223457, 360969, 670371, 739127, 1564199, 2217381, 4692597, 5173889, 9608651, 15521667, 28825953, 67260557, 201781671]

約数ペア:

[(1, 201781671), (3, 67260557), (7, 28825953), (13, 15521667), (21, 9608651), (39, 5173889), (43, 4692597), (91, 2217381), (129, 1564199), (273, 739127), (301, 670371), (559, 360969), (903, 223457), (1677, 120323), (3913, 51567), (11739, 17189)]