6639945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 12120192

約数和(自身を除く): 5480247

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 2003, 3315, 6009, 10015, 26039, 30045, 34051, 78117, 102153, 130195, 170255, 390585, 442663, 510765, 1327989, 2213315, 6639945]

約数ペア:

[(1, 6639945), (3, 2213315), (5, 1327989), (13, 510765), (15, 442663), (17, 390585), (39, 170255), (51, 130195), (65, 102153), (85, 78117), (195, 34051), (221, 30045), (255, 26039), (663, 10015), (1105, 6009), (2003, 3315)]