28119429

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 44062200

約数和(自身を除く): 15942771

約数列:

[1, 3, 9, 13, 39, 117, 149, 447, 1341, 1613, 1937, 4839, 5811, 14517, 17433, 20969, 62907, 188721, 240337, 721011, 2163033, 3124381, 9373143, 28119429]

約数ペア:

[(1, 28119429), (3, 9373143), (9, 3124381), (13, 2163033), (39, 721011), (117, 240337), (149, 188721), (447, 62907), (1341, 20969), (1613, 17433), (1937, 14517), (4839, 5811)]