81503394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1940557}}^1$

素因数の和:1940569

約数の個数: 16

約数和(自身を含む): 186293568

約数和(自身を除く): 104790174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1940557, 3881114, 5821671, 11643342, 13583899, 27167798, 40751697, 81503394]

約数ペア:

[(1, 81503394), (2, 40751697), (3, 27167798), (6, 13583899), (7, 11643342), (14, 5821671), (21, 3881114), (42, 1940557)]