256210533

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 400743288

約数和(自身を除く): 144532755

約数列:

[1, 3, 9, 27, 37, 53, 81, 111, 159, 333, 477, 999, 1431, 1613, 1961, 2997, 4293, 4839, 5883, 14517, 17649, 43551, 52947, 59681, 85489, 130653, 158841, 179043, 256467, 537129, 769401, 1611387, 2308203, 3163093, 4834161, 6924609, 9489279, 28467837, 85403511, 256210533]

約数ペア:

[(1, 256210533), (3, 85403511), (9, 28467837), (27, 9489279), (37, 6924609), (53, 4834161), (81, 3163093), (111, 2308203), (159, 1611387), (333, 769401), (477, 537129), (999, 256467), (1431, 179043), (1613, 158841), (1961, 130653), (2997, 85489), (4293, 59681), (4839, 52947), (5883, 43551), (14517, 17649)]