25686765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2354

約数の個数: 48

約数和(自身を含む): 50494080

約数和(自身を除く): 24807315

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2311, 3705, 6933, 11115, 11555, 20799, 30043, 34665, 43909, 90129, 103995, 131727, 150215, 219545, 270387, 395181, 450645, 570817, 658635, 1351935, 1712451, 1975905, 2854085, 5137353, 8562255, 25686765]

約数ペア:

[(1, 25686765), (3, 8562255), (5, 5137353), (9, 2854085), (13, 1975905), (15, 1712451), (19, 1351935), (39, 658635), (45, 570817), (57, 450645), (65, 395181), (95, 270387), (117, 219545), (171, 150215), (195, 131727), (247, 103995), (285, 90129), (585, 43909), (741, 34665), (855, 30043), (1235, 20799), (2223, 11555), (2311, 11115), (3705, 6933)]