208366821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{77431}}^1$

素因数の和:77473

約数の個数: 24

約数和(自身を含む): 338222976

約数和(自身を除く): 129856155

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 77431, 232293, 696879, 1006603, 1780913, 3019809, 5342739, 9059427, 16028217, 23151869, 69455607, 208366821]

約数ペア:

[(1, 208366821), (3, 69455607), (9, 23151869), (13, 16028217), (23, 9059427), (39, 5342739), (69, 3019809), (117, 1780913), (207, 1006603), (299, 696879), (897, 232293), (2691, 77431)]