990549

素因数分解:

$3^4\times 7^1\times {\mathrm{1747}}^1$

素因数の和:1766

約数の個数: 20

約数和(自身を含む): 1692064

約数和(自身を除く): 701515

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1747, 5241, 12229, 15723, 36687, 47169, 110061, 141507, 330183, 990549]

約数ペア:

[(1, 990549), (3, 330183), (7, 141507), (9, 110061), (21, 47169), (27, 36687), (63, 15723), (81, 12229), (189, 5241), (567, 1747)]