389611089

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{143821}}^1$

素因数の和:143877

約数の個数: 24

約数和(自身を含む): 658129472

約数和(自身を除く): 268518383

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 143821, 431463, 1006747, 1294389, 3020241, 6184303, 9060723, 18552909, 43290121, 55658727, 129870363, 389611089]

約数ペア:

[(1, 389611089), (3, 129870363), (7, 55658727), (9, 43290121), (21, 18552909), (43, 9060723), (63, 6184303), (129, 3020241), (301, 1294389), (387, 1006747), (903, 431463), (2709, 143821)]