31717155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 23881245

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 4289, 7395, 12867, 21445, 64335, 72913, 124381, 218739, 364565, 373143, 621905, 1093695, 1865715, 2114477, 6343431, 10572385, 31717155]

約数ペア:

[(1, 31717155), (3, 10572385), (5, 6343431), (15, 2114477), (17, 1865715), (29, 1093695), (51, 621905), (85, 373143), (87, 364565), (145, 218739), (255, 124381), (435, 72913), (493, 64335), (1479, 21445), (2465, 12867), (4289, 7395)]