287691765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{3559}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 489058560

約数和(自身を除く): 201366795

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 3559, 4755, 5389, 10677, 16167, 17795, 26945, 53385, 60503, 80835, 181509, 302515, 907545, 1128203, 3384609, 5641015, 16923045, 19179451, 57538353, 95897255, 287691765]

約数ペア:

[(1, 287691765), (3, 95897255), (5, 57538353), (15, 19179451), (17, 16923045), (51, 5641015), (85, 3384609), (255, 1128203), (317, 907545), (951, 302515), (1585, 181509), (3559, 80835), (4755, 60503), (5389, 53385), (10677, 26945), (16167, 17795)]