28638279

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 43563520

約数和(自身を除く): 14925241

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1759, 1809, 5277, 5427, 15831, 16281, 47493, 117853, 142479, 353559, 427437, 1060677, 3182031, 9546093, 28638279]

約数ペア:

[(1, 28638279), (3, 9546093), (9, 3182031), (27, 1060677), (67, 427437), (81, 353559), (201, 142479), (243, 117853), (603, 47493), (1759, 16281), (1809, 15831), (5277, 5427)]