28520107

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{7559}}^1$

素因数の和:7591

約数の個数: 16

約数和(自身を含む): 36288000

約数和(自身を除く): 7767893

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 7559, 52913, 83149, 370391, 582043, 2592737, 4074301, 28520107]

約数ペア:

[(1, 28520107), (7, 4074301), (11, 2592737), (49, 582043), (77, 370391), (343, 83149), (539, 52913), (3773, 7559)]