205514253

素因数分解:

$3^4\times 7^1\times {\mathrm{362459}}^1$

素因数の和:362478

約数の個数: 20

約数和(自身を含む): 350861280

約数和(自身を除く): 145347027

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362459, 1087377, 2537213, 3262131, 7611639, 9786393, 22834917, 29359179, 68504751, 205514253]

約数ペア:

[(1, 205514253), (3, 68504751), (7, 29359179), (9, 22834917), (21, 9786393), (27, 7611639), (63, 3262131), (81, 2537213), (189, 1087377), (567, 362459)]