28550709

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1667}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 45276192

約数和(自身を除く): 16725483

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1557, 1667, 1903, 5001, 5709, 15003, 17127, 18337, 55011, 165033, 288391, 865173, 2595519, 3172301, 9516903, 28550709]

約数ペア:

[(1, 28550709), (3, 9516903), (9, 3172301), (11, 2595519), (33, 865173), (99, 288391), (173, 165033), (519, 55011), (1557, 18337), (1667, 17127), (1903, 15003), (5001, 5709)]