420310509

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{20753}}^1$

素因数の和:20956

約数の個数: 16

約数和(自身を含む): 577127232

約数和(自身を除く): 156816723

約数列:

[1, 3, 43, 129, 157, 471, 6751, 20253, 20753, 62259, 892379, 2677137, 3258221, 9774663, 140103503, 420310509]

約数ペア:

[(1, 420310509), (3, 140103503), (43, 9774663), (129, 3258221), (157, 2677137), (471, 892379), (6751, 62259), (20253, 20753)]