65205891

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 106579200

約数和(自身を除く): 41373309

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 243, 261, 487, 513, 551, 783, 1461, 1539, 1653, 2349, 4383, 4617, 4959, 7047, 9253, 13149, 14123, 14877, 27759, 39447, 42369, 44631, 83277, 118341, 127107, 133893, 249831, 268337, 381321, 749493, 805011, 1143963, 2248479, 2415033, 3431889, 7245099, 21735297, 65205891]

約数ペア:

[(1, 65205891), (3, 21735297), (9, 7245099), (19, 3431889), (27, 2415033), (29, 2248479), (57, 1143963), (81, 805011), (87, 749493), (171, 381321), (243, 268337), (261, 249831), (487, 133893), (513, 127107), (551, 118341), (783, 83277), (1461, 44631), (1539, 42369), (1653, 39447), (2349, 27759), (4383, 14877), (4617, 14123), (4959, 13149), (7047, 9253)]