13251789

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{28871}}^1$

素因数の和:28897

約数の個数: 16

約数和(自身を含む): 20787840

約数和(自身を除く): 7536051

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 28871, 86613, 259839, 490807, 779517, 1472421, 4417263, 13251789]

約数ペア:

[(1, 13251789), (3, 4417263), (9, 1472421), (17, 779517), (27, 490807), (51, 259839), (153, 86613), (459, 28871)]