493841691

素因数分解:

$3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3389}}^1$

素因数の和:3665

約数の個数: 40

約数和(自身を含む): 846632160

約数和(自身を除く): 352790469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 257, 567, 771, 1799, 2313, 3389, 5397, 6939, 10167, 16191, 20817, 23723, 30501, 48573, 71169, 91503, 145719, 213507, 274509, 640521, 870973, 1921563, 2612919, 6096811, 7838757, 18290433, 23516271, 54871299, 70548813, 164613897, 493841691]

約数ペア:

[(1, 493841691), (3, 164613897), (7, 70548813), (9, 54871299), (21, 23516271), (27, 18290433), (63, 7838757), (81, 6096811), (189, 2612919), (257, 1921563), (567, 870973), (771, 640521), (1799, 274509), (2313, 213507), (3389, 145719), (5397, 91503), (6939, 71169), (10167, 48573), (16191, 30501), (20817, 23723)]