220178907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{35507}}^1$

素因数の和:35579

約数の個数: 24

約数和(自身を含む): 348972624

約数和(自身を除く): 128793717

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 35507, 106521, 319563, 461591, 1384773, 1881871, 4154319, 5645613, 16936839, 24464323, 73392969, 220178907]

約数ペア:

[(1, 220178907), (3, 73392969), (9, 24464323), (13, 16936839), (39, 5645613), (53, 4154319), (117, 1881871), (159, 1384773), (477, 461591), (689, 319563), (2067, 106521), (6201, 35507)]