8747991

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 14536704

約数和(自身を除く): 5788713

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 727, 1337, 1719, 2181, 4011, 5089, 6543, 12033, 15267, 45801, 138857, 416571, 971999, 1249713, 2915997, 8747991]

約数ペア:

[(1, 8747991), (3, 2915997), (7, 1249713), (9, 971999), (21, 416571), (63, 138857), (191, 45801), (573, 15267), (727, 12033), (1337, 6543), (1719, 5089), (2181, 4011)]