9921261

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10987}}^1$

素因数の和:11040

約数の個数: 16

約数和(自身を含む): 15471104

約数和(自身を除く): 5549843

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 10987, 32961, 76909, 230727, 472441, 1417323, 3307087, 9921261]

約数ペア:

[(1, 9921261), (3, 3307087), (7, 1417323), (21, 472441), (43, 230727), (129, 76909), (301, 32961), (903, 10987)]