17856693

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2578

約数の個数: 20

約数和(自身を含む): 26985420

約数和(自身を除く): 9128727

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2477, 7209, 7431, 22293, 66879, 200637, 220453, 661359, 1984077, 5952231, 17856693]

約数ペア:

[(1, 17856693), (3, 5952231), (9, 1984077), (27, 661359), (81, 220453), (89, 200637), (267, 66879), (801, 22293), (2403, 7431), (2477, 7209)]