189572019

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{1171}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 311883264

約数和(自身を除く): 122311245

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 593, 1171, 1779, 3513, 4151, 7709, 8197, 12453, 15223, 23127, 24591, 45669, 53963, 106561, 161889, 319683, 694403, 2083209, 4860821, 9027239, 14582463, 27081717, 63190673, 189572019]

約数ペア:

[(1, 189572019), (3, 63190673), (7, 27081717), (13, 14582463), (21, 9027239), (39, 4860821), (91, 2083209), (273, 694403), (593, 319683), (1171, 161889), (1779, 106561), (3513, 53963), (4151, 45669), (7709, 24591), (8197, 23127), (12453, 15223)]