28728651

素因数分解:

$3^1\times 7^3\times {\mathrm{27919}}^1$

素因数の和:27943

約数の個数: 16

約数和(自身を含む): 44672000

約数和(自身を除く): 15943349

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 27919, 83757, 195433, 586299, 1368031, 4104093, 9576217, 28728651]

約数ペア:

[(1, 28728651), (3, 9576217), (7, 4104093), (21, 1368031), (49, 586299), (147, 195433), (343, 83757), (1029, 27919)]