78780261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{220673}}^1$

素因数の和:220700

約数の個数: 16

約数和(自身を含む): 127108224

約数和(自身を除く): 48327963

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 220673, 662019, 1544711, 3751441, 4634133, 11254323, 26260087, 78780261]

約数ペア:

[(1, 78780261), (3, 26260087), (7, 11254323), (17, 4634133), (21, 3751441), (51, 1544711), (119, 662019), (357, 220673)]