78868251

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 144069120

約数和(自身を除く): 65200869

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 511, 657, 693, 803, 1533, 1559, 2409, 4599, 4677, 5621, 7227, 10913, 14031, 16863, 17149, 32739, 50589, 51447, 98217, 113807, 120043, 154341, 341421, 360129, 796649, 1024263, 1080387, 1251877, 2389947, 3755631, 7169841, 8763139, 11266893, 26289417, 78868251]

約数ペア:

[(1, 78868251), (3, 26289417), (7, 11266893), (9, 8763139), (11, 7169841), (21, 3755631), (33, 2389947), (63, 1251877), (73, 1080387), (77, 1024263), (99, 796649), (219, 360129), (231, 341421), (511, 154341), (657, 120043), (693, 113807), (803, 98217), (1533, 51447), (1559, 50589), (2409, 32739), (4599, 17149), (4677, 16863), (5621, 14031), (7227, 10913)]