206821959

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1\times {\mathrm{1693}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 282640512

約数和(自身を除く): 75818553

約数列:

[1, 3, 43, 129, 947, 1693, 2841, 5079, 40721, 72799, 122163, 218397, 1603271, 4809813, 68940653, 206821959]

約数ペア:

[(1, 206821959), (3, 68940653), (43, 4809813), (129, 1603271), (947, 218397), (1693, 122163), (2841, 72799), (5079, 40721)]