40385439

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{21067}}^1$

素因数の和:21147

約数の個数: 16

約数和(自身を含む): 60675840

約数和(自身を除く): 20290401

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 21067, 63201, 189603, 568809, 1495757, 4487271, 13461813, 40385439]

約数ペア:

[(1, 40385439), (3, 13461813), (9, 4487271), (27, 1495757), (71, 568809), (213, 189603), (639, 63201), (1917, 21067)]