81361731

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{4229}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 121519440

約数和(自身を除く): 40157709

約数列:

[1, 3, 11, 33, 53, 121, 159, 363, 583, 1749, 4229, 6413, 12687, 19239, 46519, 139557, 224137, 511709, 672411, 1535127, 2465507, 7396521, 27120577, 81361731]

約数ペア:

[(1, 81361731), (3, 27120577), (11, 7396521), (33, 2465507), (53, 1535127), (121, 672411), (159, 511709), (363, 224137), (583, 139557), (1749, 46519), (4229, 19239), (6413, 12687)]