3881439999

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{20047}}^1$

素因数の和:20228

約数の個数: 32

約数和(自身を含む): 5889300480

約数和(自身を除く): 2007860481

約数列:

[1, 3, 9, 27, 71, 101, 213, 303, 639, 909, 1917, 2727, 7171, 20047, 21513, 60141, 64539, 180423, 193617, 541269, 1423337, 2024747, 4270011, 6074241, 12810033, 18222723, 38430099, 54668169, 143757037, 431271111, 1293813333, 3881439999]

約数ペア:

[(1, 3881439999), (3, 1293813333), (9, 431271111), (27, 143757037), (71, 54668169), (101, 38430099), (213, 18222723), (303, 12810033), (639, 6074241), (909, 4270011), (1917, 2024747), (2727, 1423337), (7171, 541269), (20047, 193617), (21513, 180423), (60141, 64539)]