12890865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66107}}^1$

素因数の和:66128

約数の個数: 16

約数和(自身を含む): 22212288

約数和(自身を除く): 9321423

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 66107, 198321, 330535, 859391, 991605, 2578173, 4296955, 12890865]

約数ペア:

[(1, 12890865), (3, 4296955), (5, 2578173), (13, 991605), (15, 859391), (39, 330535), (65, 198321), (195, 66107)]