12913545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20072

約数の個数: 16

約数和(自身を含む): 21143232

約数和(自身を除く): 8229687

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20021, 60063, 100105, 300315, 860903, 2582709, 4304515, 12913545]

約数ペア:

[(1, 12913545), (3, 4304515), (5, 2582709), (15, 860903), (43, 300315), (129, 100105), (215, 60063), (645, 20021)]