127163979

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{509}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 199104000

約数和(自身を除く): 71940021

約数列:

[1, 3, 9, 19, 27, 57, 171, 487, 509, 513, 1461, 1527, 4383, 4581, 9253, 9671, 13149, 13743, 27759, 29013, 83277, 87039, 247883, 249831, 261117, 743649, 2230947, 4709777, 6692841, 14129331, 42387993, 127163979]

約数ペア:

[(1, 127163979), (3, 42387993), (9, 14129331), (19, 6692841), (27, 4709777), (57, 2230947), (171, 743649), (487, 261117), (509, 249831), (513, 247883), (1461, 87039), (1527, 83277), (4383, 29013), (4581, 27759), (9253, 13743), (9671, 13149)]