20181147

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22349}}^1$

素因数の和:22402

約数の個数: 16

約数和(自身を含む): 31468800

約数和(自身を除く): 11287653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22349, 67047, 156443, 469329, 961007, 2883021, 6727049, 20181147]

約数ペア:

[(1, 20181147), (3, 6727049), (7, 2883021), (21, 961007), (43, 469329), (129, 156443), (301, 67047), (903, 22349)]