28987551

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{3167}}^1$

素因数の和:3292

約数の個数: 20

約数和(自身を含む): 43699392

約数和(自身を除く): 14711841

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 3167, 9153, 9501, 28503, 85509, 256527, 357871, 1073613, 3220839, 9662517, 28987551]

約数ペア:

[(1, 28987551), (3, 9662517), (9, 3220839), (27, 1073613), (81, 357871), (113, 256527), (339, 85509), (1017, 28503), (3051, 9501), (3167, 9153)]