1391607

素因数分解:

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

素因数の和:252

約数の個数: 32

約数和(自身を含む): 2432000

約数和(自身を除く): 1040393

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 199, 259, 333, 597, 777, 999, 1393, 1791, 2331, 4179, 5373, 6993, 7363, 12537, 22089, 37611, 51541, 66267, 154623, 198801, 463869, 1391607]

約数ペア:

[(1, 1391607), (3, 463869), (7, 198801), (9, 154623), (21, 66267), (27, 51541), (37, 37611), (63, 22089), (111, 12537), (189, 7363), (199, 6993), (259, 5373), (333, 4179), (597, 2331), (777, 1791), (999, 1393)]