2077760181

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{743917}}^1$

素因数の和:743953

約数の個数: 24

約数和(自身を含む): 3392266080

約数和(自身を除く): 1314505899

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 743917, 2231751, 5207419, 14134423, 15622257, 36451933, 42403269, 98940961, 109355799, 296822883, 692586727, 2077760181]

約数ペア:

[(1, 2077760181), (3, 692586727), (7, 296822883), (19, 109355799), (21, 98940961), (49, 42403269), (57, 36451933), (133, 15622257), (147, 14134423), (399, 5207419), (931, 2231751), (2793, 743917)]