1994386563

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{22109}}^1$

素因数の和:22388

約数の個数: 32

約数和(自身を含む): 3194452800

約数和(自身を除く): 1200066237

約数列:

[1, 3, 9, 13, 27, 39, 117, 257, 351, 771, 2313, 3341, 6939, 10023, 22109, 30069, 66327, 90207, 198981, 287417, 596943, 862251, 2586753, 5682013, 7760259, 17046039, 51138117, 73866169, 153414351, 221598507, 664795521, 1994386563]

約数ペア:

[(1, 1994386563), (3, 664795521), (9, 221598507), (13, 153414351), (27, 73866169), (39, 51138117), (117, 17046039), (257, 7760259), (351, 5682013), (771, 2586753), (2313, 862251), (3341, 596943), (6939, 287417), (10023, 198981), (22109, 90207), (30069, 66327)]