3974439

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 6493440

約数和(自身を除く): 2519001

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1423, 2793, 4269, 9961, 27037, 29883, 69727, 81111, 189259, 209181, 567777, 1324813, 3974439]

約数ペア:

[(1, 3974439), (3, 1324813), (7, 567777), (19, 209181), (21, 189259), (49, 81111), (57, 69727), (133, 29883), (147, 27037), (399, 9961), (931, 4269), (1423, 2793)]