289205847

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{28163}}^1$

素因数の和:28339

約数の個数: 24

約数和(自身を含む): 480365184

約数和(自身を除く): 191159337

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 28163, 84489, 197141, 253467, 591423, 1774269, 4590569, 13771707, 32133983, 41315121, 96401949, 289205847]

約数ペア:

[(1, 289205847), (3, 96401949), (7, 41315121), (9, 32133983), (21, 13771707), (63, 4590569), (163, 1774269), (489, 591423), (1141, 253467), (1467, 197141), (3423, 84489), (10269, 28163)]