205979319

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251501}}^1$

素因数の和:251527

約数の個数: 24

約数和(自身を含む): 366186912

約数和(自身を除く): 160207593

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 251501, 754503, 1760507, 2263509, 3269513, 5281521, 9808539, 15844563, 22886591, 29425617, 68659773, 205979319]

約数ペア:

[(1, 205979319), (3, 68659773), (7, 29425617), (9, 22886591), (13, 15844563), (21, 9808539), (39, 5281521), (63, 3269513), (91, 2263509), (117, 1760507), (273, 754503), (819, 251501)]