27999741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 47443968

約数和(自身を除く): 19444227

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2287, 4081, 6861, 12243, 16009, 25157, 48027, 75471, 121211, 176099, 363633, 528297, 848477, 1333321, 2545431, 3999963, 9333247, 27999741]

約数ペア:

[(1, 27999741), (3, 9333247), (7, 3999963), (11, 2545431), (21, 1333321), (33, 848477), (53, 528297), (77, 363633), (159, 176099), (231, 121211), (371, 75471), (583, 48027), (1113, 25157), (1749, 16009), (2287, 12243), (4081, 6861)]