123702957

素因数分解:

$3^4\times 7^1\times {\mathrm{218171}}^1$

素因数の和:218190

約数の個数: 20

約数和(自身を含む): 211190496

約数和(自身を除く): 87487539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 218171, 654513, 1527197, 1963539, 4581591, 5890617, 13744773, 17671851, 41234319, 123702957]

約数ペア:

[(1, 123702957), (3, 41234319), (7, 17671851), (9, 13744773), (21, 5890617), (27, 4581591), (63, 1963539), (81, 1527197), (189, 654513), (567, 218171)]