12129021

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1242

約数の個数: 20

約数和(自身を含む): 18267612

約数和(自身を除く): 6138591

約数列:

[1, 3, 9, 27, 81, 137, 411, 1093, 1233, 3279, 3699, 9837, 11097, 29511, 88533, 149741, 449223, 1347669, 4043007, 12129021]

約数ペア:

[(1, 12129021), (3, 4043007), (9, 1347669), (27, 449223), (81, 149741), (137, 88533), (411, 29511), (1093, 11097), (1233, 9837), (3279, 3699)]