207854181

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{16139}}^1$

素因数の和:16207

約数の個数: 24

約数和(自身を含む): 317247840

約数和(自身を除く): 109393659

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 12879, 16139, 48417, 145251, 435753, 855367, 1307259, 2566101, 3921777, 7698303, 23094909, 69284727, 207854181]

約数ペア:

[(1, 207854181), (3, 69284727), (9, 23094909), (27, 7698303), (53, 3921777), (81, 2566101), (159, 1307259), (243, 855367), (477, 435753), (1431, 145251), (4293, 48417), (12879, 16139)]