647297199

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{317}}^1\times {\mathrm{2339}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 948008880

約数和(自身を除く): 300711681

約数列:

[1, 3, 9, 97, 291, 317, 873, 951, 2339, 2853, 7017, 21051, 30749, 92247, 226883, 276741, 680649, 741463, 2041947, 2224389, 6673167, 71921911, 215765733, 647297199]

約数ペア:

[(1, 647297199), (3, 215765733), (9, 71921911), (97, 6673167), (291, 2224389), (317, 2041947), (873, 741463), (951, 680649), (2339, 276741), (2853, 226883), (7017, 92247), (21051, 30749)]