218361393

素因数分解:

$3^3\times {\mathrm{971}}^1\times {\mathrm{8329}}^1$

素因数の和:9309

約数の個数: 16

約数和(自身を含む): 323870400

約数和(自身を除く): 105509007

約数列:

[1, 3, 9, 27, 971, 2913, 8329, 8739, 24987, 26217, 74961, 224883, 8087459, 24262377, 72787131, 218361393]

約数ペア:

[(1, 218361393), (3, 72787131), (9, 24262377), (27, 8087459), (971, 224883), (2913, 74961), (8329, 26217), (8739, 24987)]