3989169

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{2897}}^1$

素因数の和:2926

約数の個数: 20

約数和(自身を含む): 6311844

約数和(自身を除く): 2322675

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 2897, 8691, 26073, 49249, 78219, 147747, 234657, 443241, 1329723, 3989169]

約数ペア:

[(1, 3989169), (3, 1329723), (9, 443241), (17, 234657), (27, 147747), (51, 78219), (81, 49249), (153, 26073), (459, 8691), (1377, 2897)]