320411781

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{57329}}^1$

素因数の和:57367

約数の個数: 24

約数和(自身を含む): 500834880

約数和(自身を除く): 180423099

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 57329, 171987, 515961, 1318567, 1547883, 3955701, 4643649, 11867103, 13930947, 35601309, 106803927, 320411781]

約数ペア:

[(1, 320411781), (3, 106803927), (9, 35601309), (23, 13930947), (27, 11867103), (69, 4643649), (81, 3955701), (207, 1547883), (243, 1318567), (621, 515961), (1863, 171987), (5589, 57329)]