28076013

素因数分解:

$3^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{727}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 46487168

約数和(自身を除く): 18411155

約数列:

[1, 3, 7, 9, 21, 63, 613, 727, 1839, 2181, 4291, 5089, 5517, 6543, 12873, 15267, 38619, 45801, 445651, 1336953, 3119557, 4010859, 9358671, 28076013]

約数ペア:

[(1, 28076013), (3, 9358671), (7, 4010859), (9, 3119557), (21, 1336953), (63, 445651), (613, 45801), (727, 38619), (1839, 15267), (2181, 12873), (4291, 6543), (5089, 5517)]