25655985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 48135360

約数和(自身を除く): 22479375

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 811, 855, 1665, 2109, 2433, 3515, 4055, 6327, 7299, 10545, 12165, 15409, 30007, 31635, 36495, 46227, 77045, 90021, 138681, 150035, 231135, 270063, 450105, 570133, 693405, 1350315, 1710399, 2850665, 5131197, 8551995, 25655985]

約数ペア:

[(1, 25655985), (3, 8551995), (5, 5131197), (9, 2850665), (15, 1710399), (19, 1350315), (37, 693405), (45, 570133), (57, 450105), (95, 270063), (111, 231135), (171, 150035), (185, 138681), (285, 90021), (333, 77045), (555, 46227), (703, 36495), (811, 31635), (855, 30007), (1665, 15409), (2109, 12165), (2433, 10545), (3515, 7299), (4055, 6327)]