1642020489

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223313}}^1$

素因数の和:223381

約数の個数: 24

約数和(自身を含む): 2554712160

約数和(自身を除く): 912691671

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 223313, 669939, 2009817, 4242947, 9602459, 12728841, 28807377, 38186523, 86422131, 182446721, 547340163, 1642020489]

約数ペア:

[(1, 1642020489), (3, 547340163), (9, 182446721), (19, 86422131), (43, 38186523), (57, 28807377), (129, 12728841), (171, 9602459), (387, 4242947), (817, 2009817), (2451, 669939), (7353, 223313)]