861352221

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{142067}}^1$

素因数の和:142160

約数の個数: 16

約数和(自身を含む): 1200190464

約数和(自身を除く): 338838243

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 142067, 426201, 6108881, 6677149, 18326643, 20031447, 287117407, 861352221]

約数ペア:

[(1, 861352221), (3, 287117407), (43, 20031447), (47, 18326643), (129, 6677149), (141, 6108881), (2021, 426201), (6063, 142067)]