28723617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{245501}}^1$

素因数の和:245520

約数の個数: 12

約数和(自身を含む): 44681364

約数和(自身を除く): 15957747

約数列:

[1, 3, 9, 13, 39, 117, 245501, 736503, 2209509, 3191513, 9574539, 28723617]

約数ペア:

[(1, 28723617), (3, 9574539), (9, 3191513), (13, 2209509), (39, 736503), (117, 245501)]