12072321

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1562

約数の個数: 20

約数和(自身を含む): 18221632

約数和(自身を除く): 6149311

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 1447, 2781, 4341, 8343, 13023, 39069, 117207, 149041, 447123, 1341369, 4024107, 12072321]

約数ペア:

[(1, 12072321), (3, 4024107), (9, 1341369), (27, 447123), (81, 149041), (103, 117207), (309, 39069), (927, 13023), (1447, 8343), (2781, 4341)]