90435849

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 143216640

約数和(自身を除く): 52780791

約数列:

[1, 3, 7, 21, 47, 59, 141, 177, 329, 413, 987, 1239, 1553, 2773, 4659, 8319, 10871, 19411, 32613, 58233, 72991, 91627, 218973, 274881, 510937, 641389, 1532811, 1924167, 4306469, 12919407, 30145283, 90435849]

約数ペア:

[(1, 90435849), (3, 30145283), (7, 12919407), (21, 4306469), (47, 1924167), (59, 1532811), (141, 641389), (177, 510937), (329, 274881), (413, 218973), (987, 91627), (1239, 72991), (1553, 58233), (2773, 32613), (4659, 19411), (8319, 10871)]