78147279

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2437}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 129311520

約数和(自身を除く): 51164241

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 2437, 3563, 4581, 7311, 10689, 17059, 21933, 32067, 51177, 153531, 1240433, 3721299, 8683031, 11163897, 26049093, 78147279]

約数ペア:

[(1, 78147279), (3, 26049093), (7, 11163897), (9, 8683031), (21, 3721299), (63, 1240433), (509, 153531), (1527, 51177), (2437, 32067), (3563, 21933), (4581, 17059), (7311, 10689)]