256607397

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{13121}}^1$

素因数の和:13221

約数の個数: 24

約数和(自身を含む): 386889048

約数和(自身を除く): 130281651

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 2173, 6519, 13121, 19557, 39363, 118089, 537961, 695413, 1613883, 2086239, 4841649, 6258717, 28511933, 85535799, 256607397]

約数ペア:

[(1, 256607397), (3, 85535799), (9, 28511933), (41, 6258717), (53, 4841649), (123, 2086239), (159, 1613883), (369, 695413), (477, 537961), (2173, 118089), (6519, 39363), (13121, 19557)]