51890121

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7057}}^1$

素因数の和:7125

約数の個数: 24

約数和(自身を含む): 80743520

約数和(自身を除く): 28853399

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7057, 7353, 21171, 63513, 134083, 303451, 402249, 910353, 1206747, 2731059, 5765569, 17296707, 51890121]

約数ペア:

[(1, 51890121), (3, 17296707), (9, 5765569), (19, 2731059), (43, 1206747), (57, 910353), (129, 402249), (171, 303451), (387, 134083), (817, 63513), (2451, 21171), (7057, 7353)]