259498971

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{20149}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 396068400

約数和(自身を除く): 136569429

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 12879, 20149, 60447, 181341, 544023, 1067897, 1632069, 3203691, 4896207, 9611073, 28833219, 86499657, 259498971]

約数ペア:

[(1, 259498971), (3, 86499657), (9, 28833219), (27, 9611073), (53, 4896207), (81, 3203691), (159, 1632069), (243, 1067897), (477, 544023), (1431, 181341), (4293, 60447), (12879, 20149)]