15778971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 24730160

約数和(自身を除く): 8951189

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 859, 1413, 2041, 2577, 6123, 7731, 11167, 18369, 33501, 100503, 134863, 404589, 1213767, 1753219, 5259657, 15778971]

約数ペア:

[(1, 15778971), (3, 5259657), (9, 1753219), (13, 1213767), (39, 404589), (117, 134863), (157, 100503), (471, 33501), (859, 18369), (1413, 11167), (2041, 7731), (2577, 6123)]