28685601

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10589}}^1$

素因数の和:10645

約数の個数: 24

約数和(自身を含む): 48459840

約数和(自身を除く): 19774239

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10589, 31767, 74123, 95301, 222369, 455327, 667107, 1365981, 3187289, 4097943, 9561867, 28685601]

約数ペア:

[(1, 28685601), (3, 9561867), (7, 4097943), (9, 3187289), (21, 1365981), (43, 667107), (63, 455327), (129, 222369), (301, 95301), (387, 74123), (903, 31767), (2709, 10589)]