18085671

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2815

約数の個数: 24

約数和(自身を含む): 28314000

約数和(自身を除く): 10228329

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2749, 6579, 8247, 24741, 46733, 118207, 140199, 354621, 420597, 1063863, 2009519, 6028557, 18085671]

約数ペア:

[(1, 18085671), (3, 6028557), (9, 2009519), (17, 1063863), (43, 420597), (51, 354621), (129, 140199), (153, 118207), (387, 46733), (731, 24741), (2193, 8247), (2749, 6579)]