2971269

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 5120000

約数和(自身を除く): 2148731

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 199, 237, 553, 597, 711, 1393, 1659, 1791, 2133, 4179, 4977, 5373, 12537, 14931, 15721, 37611, 47163, 110047, 141489, 330141, 424467, 990423, 2971269]

約数ペア:

[(1, 2971269), (3, 990423), (7, 424467), (9, 330141), (21, 141489), (27, 110047), (63, 47163), (79, 37611), (189, 15721), (199, 14931), (237, 12537), (553, 5373), (597, 4977), (711, 4179), (1393, 2133), (1659, 1791)]