9987003

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 16385600

約数和(自身を除く): 6398597

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 769, 999, 1443, 2307, 4329, 6921, 9997, 12987, 20763, 28453, 29991, 85359, 89973, 256077, 269919, 369889, 768231, 1109667, 3329001, 9987003]

約数ペア:

[(1, 9987003), (3, 3329001), (9, 1109667), (13, 768231), (27, 369889), (37, 269919), (39, 256077), (111, 89973), (117, 85359), (333, 29991), (351, 28453), (481, 20763), (769, 12987), (999, 9997), (1443, 6921), (2307, 4329)]