28633437

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 36

約数和(自身を含む): 49926240

約数和(自身を除く): 21292803

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 1259, 2527, 3249, 3777, 7581, 8813, 11331, 22743, 23921, 26439, 71763, 79317, 167447, 215289, 454499, 502341, 1363497, 1507023, 3181493, 4090491, 9544479, 28633437]

約数ペア:

[(1, 28633437), (3, 9544479), (7, 4090491), (9, 3181493), (19, 1507023), (21, 1363497), (57, 502341), (63, 454499), (133, 215289), (171, 167447), (361, 79317), (399, 71763), (1083, 26439), (1197, 23921), (1259, 22743), (2527, 11331), (3249, 8813), (3777, 7581)]