4203981

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 6899904

約数和(自身を除く): 2695923

約数列:

[1, 3, 9, 17, 27, 43, 51, 71, 81, 129, 153, 213, 387, 459, 639, 731, 1161, 1207, 1377, 1917, 2193, 3053, 3483, 3621, 5751, 6579, 9159, 10863, 19737, 27477, 32589, 51901, 59211, 82431, 97767, 155703, 247293, 467109, 1401327, 4203981]

約数ペア:

[(1, 4203981), (3, 1401327), (9, 467109), (17, 247293), (27, 155703), (43, 97767), (51, 82431), (71, 59211), (81, 51901), (129, 32589), (153, 27477), (213, 19737), (387, 10863), (459, 9159), (639, 6579), (731, 5751), (1161, 3621), (1207, 3483), (1377, 3053), (1917, 2193)]