128929983

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2447}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 212760576

約数和(自身を除く): 83830593

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 579, 1351, 2447, 2509, 4053, 7341, 7527, 17129, 17563, 31811, 51387, 52689, 95433, 222677, 472271, 668031, 1416813, 3305897, 6139523, 9917691, 18418569, 42976661, 128929983]

約数ペア:

[(1, 128929983), (3, 42976661), (7, 18418569), (13, 9917691), (21, 6139523), (39, 3305897), (91, 1416813), (193, 668031), (273, 472271), (579, 222677), (1351, 95433), (2447, 52689), (2509, 51387), (4053, 31811), (7341, 17563), (7527, 17129)]