821077563

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 1153349632

約数和(自身を除く): 332272069

約数列:

[1, 3, 31, 67, 93, 201, 313, 421, 939, 1263, 2077, 6231, 9703, 13051, 20971, 28207, 29109, 39153, 62913, 84621, 131773, 395319, 650101, 874417, 1950303, 2623251, 4084963, 8828791, 12254889, 26486373, 273692521, 821077563]

約数ペア:

[(1, 821077563), (3, 273692521), (31, 26486373), (67, 12254889), (93, 8828791), (201, 4084963), (313, 2623251), (421, 1950303), (939, 874417), (1263, 650101), (2077, 395319), (6231, 131773), (9703, 84621), (13051, 62913), (20971, 39153), (28207, 29109)]