42143427

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{1667}}^1$

素因数の和:1779

約数の個数: 18

約数和(自身を含む): 62081292

約数和(自身を除く): 19937865

約数列:

[1, 3, 9, 53, 159, 477, 1667, 2809, 5001, 8427, 15003, 25281, 88351, 265053, 795159, 4682603, 14047809, 42143427]

約数ペア:

[(1, 42143427), (3, 14047809), (9, 4682603), (53, 795159), (159, 265053), (477, 88351), (1667, 25281), (2809, 15003), (5001, 8427)]