388128429

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{368593}}^1$

素因数の和:368618

約数の個数: 20

約数和(自身を含む): 624398236

約数和(自身を除く): 236269807

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 368593, 1105779, 3317337, 4791709, 9952011, 14375127, 29856033, 43125381, 129376143, 388128429]

約数ペア:

[(1, 388128429), (3, 129376143), (9, 43125381), (13, 29856033), (27, 14375127), (39, 9952011), (81, 4791709), (117, 3317337), (351, 1105779), (1053, 368593)]