20963853

素因数分解:

$3^6\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 28

約数和(自身を含む): 31806300

約数和(自身を除く): 10842447

約数列:

[1, 3, 9, 27, 81, 149, 193, 243, 447, 579, 729, 1341, 1737, 4023, 5211, 12069, 15633, 28757, 36207, 46899, 86271, 108621, 140697, 258813, 776439, 2329317, 6987951, 20963853]

約数ペア:

[(1, 20963853), (3, 6987951), (9, 2329317), (27, 776439), (81, 258813), (149, 140697), (193, 108621), (243, 86271), (447, 46899), (579, 36207), (729, 28757), (1341, 15633), (1737, 12069), (4023, 5211)]