389640969

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{22943}}^1$

素因数の和:23006

約数の個数: 32

約数和(自身を含む): 627747840

約数和(自身を除く): 238106871

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1887, 5661, 16983, 22943, 68829, 206487, 390031, 619461, 848891, 1170093, 2546673, 3510279, 7640019, 10530837, 14431147, 22920057, 43293441, 129880323, 389640969]

約数ペア:

[(1, 389640969), (3, 129880323), (9, 43293441), (17, 22920057), (27, 14431147), (37, 10530837), (51, 7640019), (111, 3510279), (153, 2546673), (333, 1170093), (459, 848891), (629, 619461), (999, 390031), (1887, 206487), (5661, 68829), (16983, 22943)]