211360509

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{19919}}^1$

素因数の和:20062

約数の個数: 20

約数和(自身を含む): 318162240

約数和(自身を除く): 106801731

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 19919, 59757, 179271, 537813, 1613439, 2609389, 7828167, 23484501, 70453503, 211360509]

約数ペア:

[(1, 211360509), (3, 70453503), (9, 23484501), (27, 7828167), (81, 2609389), (131, 1613439), (393, 537813), (1179, 179271), (3537, 59757), (10611, 19919)]