387942771

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2029}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 575285760

約数和(自身を除く): 187342989

約数列:

[1, 3, 17, 23, 51, 69, 163, 391, 489, 1173, 2029, 2771, 3749, 6087, 8313, 11247, 34493, 46667, 63733, 103479, 140001, 191199, 330727, 793339, 992181, 2380017, 5622359, 7606721, 16867077, 22820163, 129314257, 387942771]

約数ペア:

[(1, 387942771), (3, 129314257), (17, 22820163), (23, 16867077), (51, 7606721), (69, 5622359), (163, 2380017), (391, 992181), (489, 793339), (1173, 330727), (2029, 191199), (2771, 140001), (3749, 103479), (6087, 63733), (8313, 46667), (11247, 34493)]