256713381

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{47303}}^1$

素因数の和:47382

約数の個数: 20

約数和(自身を含む): 389217312

約数和(自身を除く): 132503931

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 47303, 141909, 425727, 1277181, 3169301, 3831543, 9507903, 28523709, 85571127, 256713381]

約数ペア:

[(1, 256713381), (3, 85571127), (9, 28523709), (27, 9507903), (67, 3831543), (81, 3169301), (201, 1277181), (603, 425727), (1809, 141909), (5427, 47303)]