12920253

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 18011136

約数和(自身を除く): 5090883

約数列:

[1, 3, 43, 47, 129, 141, 2021, 2131, 6063, 6393, 91633, 100157, 274899, 300471, 4306751, 12920253]

約数ペア:

[(1, 12920253), (3, 4306751), (43, 300471), (47, 274899), (129, 100157), (141, 91633), (2021, 6393), (2131, 6063)]