7387989

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2680

約数の個数: 16

約数和(自身を含む): 11343360

約数和(自身を除く): 3955371

約数列:

[1, 3, 7, 21, 139, 417, 973, 2531, 2919, 7593, 17717, 53151, 351809, 1055427, 2462663, 7387989]

約数ペア:

[(1, 7387989), (3, 2462663), (7, 1055427), (21, 351809), (139, 53151), (417, 17717), (973, 7593), (2531, 2919)]