6678189

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 11187072

約数和(自身を除く): 4508883

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1493, 4473, 4479, 10451, 13437, 31353, 94059, 106003, 318009, 742021, 954027, 2226063, 6678189]

約数ペア:

[(1, 6678189), (3, 2226063), (7, 954027), (9, 742021), (21, 318009), (63, 106003), (71, 94059), (213, 31353), (497, 13437), (639, 10451), (1491, 4479), (1493, 4473)]