260849001

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 419337600

約数和(自身を除く): 158488599

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 199, 241, 259, 597, 723, 777, 1393, 1687, 1813, 4179, 5061, 5439, 7363, 8917, 9751, 11809, 22089, 26751, 29253, 35427, 47959, 51541, 62419, 143877, 154623, 187257, 335713, 360787, 436933, 1007139, 1082361, 1310799, 1774483, 2349991, 5323449, 7049973, 12421381, 37264143, 86949667, 260849001]

約数ペア:

[(1, 260849001), (3, 86949667), (7, 37264143), (21, 12421381), (37, 7049973), (49, 5323449), (111, 2349991), (147, 1774483), (199, 1310799), (241, 1082361), (259, 1007139), (597, 436933), (723, 360787), (777, 335713), (1393, 187257), (1687, 154623), (1813, 143877), (4179, 62419), (5061, 51541), (5439, 47959), (7363, 35427), (8917, 29253), (9751, 26751), (11809, 22089)]