289358919

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{54401}}^1$

素因数の和:54607

約数の個数: 16

約数和(自身を含む): 430863840

約数和(自身を除く): 141504921

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 54401, 163203, 489609, 1468827, 10716997, 32150991, 96452973, 289358919]

約数ペア:

[(1, 289358919), (3, 96452973), (9, 32150991), (27, 10716997), (197, 1468827), (591, 489609), (1773, 163203), (5319, 54401)]