81415383

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 131366400

約数和(自身を除く): 49951017

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3109, 3741, 8729, 9327, 21763, 26187, 65289, 90161, 133687, 270483, 401061, 631127, 935809, 1893381, 2807427, 3876923, 11630769, 27138461, 81415383]

約数ペア:

[(1, 81415383), (3, 27138461), (7, 11630769), (21, 3876923), (29, 2807427), (43, 1893381), (87, 935809), (129, 631127), (203, 401061), (301, 270483), (609, 133687), (903, 90161), (1247, 65289), (3109, 26187), (3741, 21763), (8729, 9327)]