27477639

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6143}}^1$

素因数の和:6227

約数の個数: 24

約数和(自身を含む): 46006272

約数和(自身を除く): 18528633

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6143, 18429, 43001, 55287, 129003, 387009, 436153, 1308459, 3053071, 3925377, 9159213, 27477639]

約数ペア:

[(1, 27477639), (3, 9159213), (7, 3925377), (9, 3053071), (21, 1308459), (63, 436153), (71, 387009), (213, 129003), (497, 55287), (639, 43001), (1491, 18429), (4473, 6143)]