1988343

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 3375008

約数和(自身を除く): 1386665

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 853, 2331, 2559, 5971, 7677, 17913, 31561, 53739, 94683, 220927, 284049, 662781, 1988343]

約数ペア:

[(1, 1988343), (3, 662781), (7, 284049), (9, 220927), (21, 94683), (37, 53739), (63, 31561), (111, 17913), (259, 7677), (333, 5971), (777, 2559), (853, 2331)]