131323131

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 193823760

約数和(自身を除く): 62500629

約数列:

[1, 3, 9, 73, 137, 219, 411, 657, 1233, 1459, 4377, 10001, 13131, 30003, 90009, 106507, 199883, 319521, 599649, 958563, 1798947, 14591459, 43774377, 131323131]

約数ペア:

[(1, 131323131), (3, 43774377), (9, 14591459), (73, 1798947), (137, 958563), (219, 599649), (411, 319521), (657, 199883), (1233, 106507), (1459, 90009), (4377, 30003), (10001, 13131)]