388492767

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{368939}}^1$

素因数の和:368964

約数の個数: 20

約数和(自身を含む): 624984360

約数和(自身を除く): 236491593

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 368939, 1106817, 3320451, 4796207, 9961353, 14388621, 29884059, 43165863, 129497589, 388492767]

約数ペア:

[(1, 388492767), (3, 129497589), (9, 43165863), (13, 29884059), (27, 14388621), (39, 9961353), (81, 4796207), (117, 3320451), (351, 1106817), (1053, 368939)]