28199439

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4457}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 44045040

約数和(自身を除く): 15845601

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4457, 6327, 13371, 40113, 84683, 164909, 254049, 494727, 762147, 1484181, 3133271, 9399813, 28199439]

約数ペア:

[(1, 28199439), (3, 9399813), (9, 3133271), (19, 1484181), (37, 762147), (57, 494727), (111, 254049), (171, 164909), (333, 84683), (703, 40113), (2109, 13371), (4457, 6327)]