1278135099

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{68507}}^1$

素因数の和:69207

約数の個数: 16

約数和(自身を含む): 1896301440

約数和(自身を除く): 618166341

約数列:

[1, 3, 9, 27, 691, 2073, 6219, 18657, 68507, 205521, 616563, 1849689, 47338337, 142015011, 426045033, 1278135099]

約数ペア:

[(1, 1278135099), (3, 426045033), (9, 142015011), (27, 47338337), (691, 1849689), (2073, 616563), (6219, 205521), (18657, 68507)]