2688633

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 4230160

約数和(自身を除く): 1541527

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1747, 5241, 15723, 33193, 47169, 99579, 141507, 298737, 896211, 2688633]

約数ペア:

[(1, 2688633), (3, 896211), (9, 298737), (19, 141507), (27, 99579), (57, 47169), (81, 33193), (171, 15723), (513, 5241), (1539, 1747)]