25737507

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18691}}^1$

素因数の和:18720

約数の個数: 20

約数和(自身を含む): 40711176

約数和(自身を除く): 14973669

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18691, 56073, 168219, 317747, 504657, 953241, 1513971, 2859723, 8579169, 25737507]

約数ペア:

[(1, 25737507), (3, 8579169), (9, 2859723), (17, 1513971), (27, 953241), (51, 504657), (81, 317747), (153, 168219), (459, 56073), (1377, 18691)]