206893197

素因数分解:

$3^4\times 7^1\times {\mathrm{364891}}^1$

素因数の和:364910

約数の個数: 20

約数和(自身を含む): 353215456

約数和(自身を除く): 146322259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 364891, 1094673, 2554237, 3284019, 7662711, 9852057, 22988133, 29556171, 68964399, 206893197]

約数ペア:

[(1, 206893197), (3, 68964399), (7, 29556171), (9, 22988133), (21, 9852057), (27, 7662711), (63, 3284019), (81, 2554237), (189, 1094673), (567, 364891)]