248943555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18379}}^1$

素因数の和:18440

約数の個数: 48

約数和(自身を含む): 504641280

約数和(自身を除く): 255697725

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 13545, 18379, 55137, 91895, 128653, 165411, 275685, 385959, 643265, 790297, 827055, 1157877, 1929795, 2370891, 3951485, 5532079, 5789385, 7112673, 11854455, 16596237, 27660395, 35563365, 49788711, 82981185, 248943555]

約数ペア:

[(1, 248943555), (3, 82981185), (5, 49788711), (7, 35563365), (9, 27660395), (15, 16596237), (21, 11854455), (35, 7112673), (43, 5789385), (45, 5532079), (63, 3951485), (105, 2370891), (129, 1929795), (215, 1157877), (301, 827055), (315, 790297), (387, 643265), (645, 385959), (903, 275685), (1505, 165411), (1935, 128653), (2709, 91895), (4515, 55137), (13545, 18379)]