87721917

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 124760736

約数和(自身を除く): 37038819

約数列:

[1, 3, 19, 57, 107, 321, 361, 757, 1083, 2033, 2271, 6099, 14383, 38627, 43149, 80999, 115881, 242997, 273277, 819831, 1538981, 4616943, 29240639, 87721917]

約数ペア:

[(1, 87721917), (3, 29240639), (19, 4616943), (57, 1538981), (107, 819831), (321, 273277), (361, 242997), (757, 115881), (1083, 80999), (2033, 43149), (2271, 38627), (6099, 14383)]