27978335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{72671}}^1$

素因数の和:72694

約数の個数: 16

約数和(自身を含む): 41859072

約数和(自身を除く): 13880737

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 72671, 363355, 508697, 799381, 2543485, 3996905, 5595667, 27978335]

約数ペア:

[(1, 27978335), (5, 5595667), (7, 3996905), (11, 2543485), (35, 799381), (55, 508697), (77, 363355), (385, 72671)]