12487689

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{6703}}^1$

素因数の和:6738

約数の個数: 20

約数和(自身を含む): 19468416

約数和(自身を除く): 6980727

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 6703, 20109, 60327, 154169, 180981, 462507, 542943, 1387521, 4162563, 12487689]

約数ペア:

[(1, 12487689), (3, 4162563), (9, 1387521), (23, 542943), (27, 462507), (69, 180981), (81, 154169), (207, 60327), (621, 20109), (1863, 6703)]