320937687

素因数分解:

$3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{6043}}^1$

素因数の和:6340

約数の個数: 32

約数和(自身を含む): 545410560

約数和(自身を除く): 224472873

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 281, 843, 1967, 2529, 5901, 6043, 7587, 17703, 18129, 42301, 53109, 54387, 126903, 163161, 380709, 1142127, 1698083, 5094249, 11886581, 15282747, 35659743, 45848241, 106979229, 320937687]

約数ペア:

[(1, 320937687), (3, 106979229), (7, 45848241), (9, 35659743), (21, 15282747), (27, 11886581), (63, 5094249), (189, 1698083), (281, 1142127), (843, 380709), (1967, 163161), (2529, 126903), (5901, 54387), (6043, 53109), (7587, 42301), (17703, 18129)]