51639669

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 78736320

約数和(自身を除く): 27096651

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 2047, 2803, 6141, 8409, 18423, 25227, 64469, 193407, 249467, 580221, 748401, 2245203, 5737741, 17213223, 51639669]

約数ペア:

[(1, 51639669), (3, 17213223), (9, 5737741), (23, 2245203), (69, 748401), (89, 580221), (207, 249467), (267, 193407), (801, 64469), (2047, 25227), (2803, 18423), (6141, 8409)]