20805930243

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2975251}}^1$

素因数の和:2975304

約数の個数: 32

約数和(自身を含む): 36179064320

約数和(自身を除く): 15373134077

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 2975251, 8925753, 20826757, 26777259, 62480271, 80331777, 110084287, 187440813, 330252861, 562322439, 770590009, 990758583, 2311770027, 2972275749, 6935310081, 20805930243]

約数ペア:

[(1, 20805930243), (3, 6935310081), (7, 2972275749), (9, 2311770027), (21, 990758583), (27, 770590009), (37, 562322439), (63, 330252861), (111, 187440813), (189, 110084287), (259, 80331777), (333, 62480271), (777, 26777259), (999, 20826757), (2331, 8925753), (6993, 2975251)]