266991465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{10781}}^1$

素因数の和:10929

約数の個数: 32

約数和(自身を含む): 463712256

約数和(自身を除く): 196720791

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 1651, 1905, 4953, 8255, 10781, 24765, 32343, 53905, 140153, 161715, 420459, 700765, 1369187, 2102295, 4107561, 6845935, 17799431, 20537805, 53398293, 88997155, 266991465]

約数ペア:

[(1, 266991465), (3, 88997155), (5, 53398293), (13, 20537805), (15, 17799431), (39, 6845935), (65, 4107561), (127, 2102295), (195, 1369187), (381, 700765), (635, 420459), (1651, 161715), (1905, 140153), (4953, 53905), (8255, 32343), (10781, 24765)]