87640623

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 152472320

約数和(自身を除く): 64831697

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 769, 1407, 1701, 1809, 2307, 4221, 5383, 5427, 6921, 12663, 16149, 16281, 20763, 37989, 48447, 51523, 62289, 113967, 145341, 154569, 186867, 360661, 436023, 463707, 1081983, 1308069, 1391121, 3245949, 4173363, 9737847, 12520089, 29213541, 87640623]

約数ペア:

[(1, 87640623), (3, 29213541), (7, 12520089), (9, 9737847), (21, 4173363), (27, 3245949), (63, 1391121), (67, 1308069), (81, 1081983), (189, 463707), (201, 436023), (243, 360661), (469, 186867), (567, 154569), (603, 145341), (769, 113967), (1407, 62289), (1701, 51523), (1809, 48447), (2307, 37989), (4221, 20763), (5383, 16281), (5427, 16149), (6921, 12663)]