253448517

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 391532544

約数和(自身を除く): 138084027

約数列:

[1, 3, 7, 21, 151, 257, 311, 453, 771, 933, 1057, 1799, 2177, 3171, 5397, 6531, 38807, 46961, 79927, 116421, 140883, 239781, 271649, 328727, 559489, 814947, 986181, 1678467, 12068977, 36206931, 84482839, 253448517]

約数ペア:

[(1, 253448517), (3, 84482839), (7, 36206931), (21, 12068977), (151, 1678467), (257, 986181), (311, 814947), (453, 559489), (771, 328727), (933, 271649), (1057, 239781), (1799, 140883), (2177, 116421), (3171, 79927), (5397, 46961), (6531, 38807)]