217702971

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{30893}}^1$

素因数の和:30937

約数の個数: 24

約数和(自身を含む): 337362480

約数和(自身を除く): 119659509

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047, 30893, 92679, 278037, 834111, 895897, 2502333, 2687691, 7506999, 8063073, 24189219, 72567657, 217702971]

約数ペア:

[(1, 217702971), (3, 72567657), (9, 24189219), (27, 8063073), (29, 7506999), (81, 2687691), (87, 2502333), (243, 895897), (261, 834111), (783, 278037), (2349, 92679), (7047, 30893)]