2891439

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 4525040

約数和(自身を除く): 1633601

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 457, 703, 1371, 2109, 4113, 6327, 8683, 16909, 26049, 50727, 78147, 152181, 321271, 963813, 2891439]

約数ペア:

[(1, 2891439), (3, 963813), (9, 321271), (19, 152181), (37, 78147), (57, 50727), (111, 26049), (171, 16909), (333, 8683), (457, 6327), (703, 4113), (1371, 2109)]