27666015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 47925696

約数和(自身を除く): 20259681

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 337, 421, 1011, 1263, 1685, 2105, 4381, 5055, 5473, 6315, 13143, 16419, 21905, 27365, 65715, 82095, 141877, 425631, 709385, 1844401, 2128155, 5533203, 9222005, 27666015]

約数ペア:

[(1, 27666015), (3, 9222005), (5, 5533203), (13, 2128155), (15, 1844401), (39, 709385), (65, 425631), (195, 141877), (337, 82095), (421, 65715), (1011, 27365), (1263, 21905), (1685, 16419), (2105, 13143), (4381, 6315), (5055, 5473)]