208078941

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{13229}}^1$

素因数の和:13353

約数の個数: 24

約数和(自身を含む): 325775520

約数和(自身を除く): 117696579

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 13229, 15729, 39687, 92603, 277809, 648221, 1415503, 1944663, 4246509, 9908521, 29725563, 69359647, 208078941]

約数ペア:

[(1, 208078941), (3, 69359647), (7, 29725563), (21, 9908521), (49, 4246509), (107, 1944663), (147, 1415503), (321, 648221), (749, 277809), (2247, 92603), (5243, 39687), (13229, 15729)]