81363321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13121}}^1$

素因数の和:13193

約数の個数: 24

約数和(自身を含む): 128963016

約数和(自身を除く): 47599695

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 13121, 39363, 118089, 170573, 511719, 695413, 1535157, 2086239, 6258717, 9040369, 27121107, 81363321]

約数ペア:

[(1, 81363321), (3, 27121107), (9, 9040369), (13, 6258717), (39, 2086239), (53, 1535157), (117, 695413), (159, 511719), (477, 170573), (689, 118089), (2067, 39363), (6201, 13121)]