28577187

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{10987}}^1$

素因数の和:11027

約数の個数: 18

約数和(自身を含む): 43853108

約数和(自身を除く): 15275921

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 10987, 32961, 98883, 186779, 560337, 1681011, 3175243, 9525729, 28577187]

約数ペア:

[(1, 28577187), (3, 9525729), (9, 3175243), (17, 1681011), (51, 560337), (153, 186779), (289, 98883), (867, 32961), (2601, 10987)]