855785441

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21377}}^1$

素因数の和:21453

約数の個数: 24

約数和(自身を含む): 1072320480

約数和(自身を除く): 216535039

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5719, 21377, 40033, 149639, 406163, 919211, 1047473, 2843141, 6434477, 17465009, 19901987, 45041339, 122255063, 855785441]

約数ペア:

[(1, 855785441), (7, 122255063), (19, 45041339), (43, 19901987), (49, 17465009), (133, 6434477), (301, 2843141), (817, 1047473), (931, 919211), (2107, 406163), (5719, 149639), (21377, 40033)]