1989543279

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{15541}}^1$

素因数の和:15990

約数の個数: 16

約数和(自身を含む): 2680684160

約数和(自身を除く): 691140881

約数列:

[1, 3, 139, 307, 417, 921, 15541, 42673, 46623, 128019, 2160199, 4771087, 6480597, 14313261, 663181093, 1989543279]

約数ペア:

[(1, 1989543279), (3, 663181093), (139, 14313261), (307, 6480597), (417, 4771087), (921, 2160199), (15541, 128019), (42673, 46623)]