6990879

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 11418240

約数和(自身を除く): 4427361

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2503, 2793, 7509, 17521, 47557, 52563, 122647, 142671, 332899, 367941, 998697, 2330293, 6990879]

約数ペア:

[(1, 6990879), (3, 2330293), (7, 998697), (19, 367941), (21, 332899), (49, 142671), (57, 122647), (133, 52563), (147, 47557), (399, 17521), (931, 7509), (2503, 2793)]