206279703

素因数分解:

$3^4\times 7^1\times {\mathrm{363809}}^1$

素因数の和:363828

約数の個数: 20

約数和(自身を含む): 352168080

約数和(自身を除く): 145888377

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 363809, 1091427, 2546663, 3274281, 7639989, 9822843, 22919967, 29468529, 68759901, 206279703]

約数ペア:

[(1, 206279703), (3, 68759901), (7, 29468529), (9, 22919967), (21, 9822843), (27, 7639989), (63, 3274281), (81, 2546663), (189, 1091427), (567, 363809)]