7385889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 12026880

約数和(自身を除く): 4640991

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 173, 321, 399, 519, 749, 1211, 2033, 2247, 3287, 3633, 6099, 9861, 14231, 18511, 23009, 42693, 55533, 69027, 129577, 351709, 388731, 1055127, 2461963, 7385889]

約数ペア:

[(1, 7385889), (3, 2461963), (7, 1055127), (19, 388731), (21, 351709), (57, 129577), (107, 69027), (133, 55533), (173, 42693), (321, 23009), (399, 18511), (519, 14231), (749, 9861), (1211, 6099), (2033, 3633), (2247, 3287)]