30791439

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10399}}^1$

素因数の和:10459

約数の個数: 24

約数和(自身を含む): 51916800

約数和(自身を除く): 21125361

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 10399, 31197, 72793, 93591, 218379, 488753, 655137, 1466259, 3421271, 4398777, 10263813, 30791439]

約数ペア:

[(1, 30791439), (3, 10263813), (7, 4398777), (9, 3421271), (21, 1466259), (47, 655137), (63, 488753), (141, 218379), (329, 93591), (423, 72793), (987, 31197), (2961, 10399)]