217521337

素因数分解:

${\mathrm{11}}^4\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 243507600

約数和(自身を除く): 25986263

約数列:

[1, 11, 83, 121, 179, 913, 1331, 1969, 10043, 14641, 14857, 21659, 110473, 163427, 238249, 1215203, 1797697, 2620739, 19774667, 217521337]

約数ペア:

[(1, 217521337), (11, 19774667), (83, 2620739), (121, 1797697), (179, 1215203), (913, 238249), (1331, 163427), (1969, 110473), (10043, 21659), (14641, 14857)]