855120077

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{3041}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 1045961280

約数和(自身を除く): 190841203

約数列:

[1, 7, 17, 119, 139, 289, 973, 2023, 2363, 3041, 16541, 21287, 40171, 51697, 281197, 361879, 422699, 878849, 2958893, 6151943, 7185883, 50301181, 122160011, 855120077]

約数ペア:

[(1, 855120077), (7, 122160011), (17, 50301181), (119, 7185883), (139, 6151943), (289, 2958893), (973, 878849), (2023, 422699), (2363, 361879), (3041, 281197), (16541, 51697), (21287, 40171)]