998190081

素因数分解:

$3^3\times 7^1\times {\mathrm{5281429}}^1$

素因数の和:5281445

約数の個数: 16

約数和(自身を含む): 1690057600

約数和(自身を除く): 691867519

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 5281429, 15844287, 36970003, 47532861, 110910009, 142598583, 332730027, 998190081]

約数ペア:

[(1, 998190081), (3, 332730027), (7, 142598583), (9, 110910009), (21, 47532861), (27, 36970003), (63, 15844287), (189, 5281429)]