28372155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 54574080

約数和(自身を除く): 26201925

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 67, 105, 109, 111, 185, 201, 259, 327, 335, 469, 545, 555, 763, 777, 1005, 1295, 1407, 1635, 2289, 2345, 2479, 3815, 3885, 4033, 7035, 7303, 7437, 11445, 12099, 12395, 17353, 20165, 21909, 28231, 36515, 37185, 51121, 52059, 60495, 84693, 86765, 109545, 141155, 153363, 255605, 260295, 270211, 423465, 766815, 810633, 1351055, 1891477, 4053165, 5674431, 9457385, 28372155]

約数ペア:

[(1, 28372155), (3, 9457385), (5, 5674431), (7, 4053165), (15, 1891477), (21, 1351055), (35, 810633), (37, 766815), (67, 423465), (105, 270211), (109, 260295), (111, 255605), (185, 153363), (201, 141155), (259, 109545), (327, 86765), (335, 84693), (469, 60495), (545, 52059), (555, 51121), (763, 37185), (777, 36515), (1005, 28231), (1295, 21909), (1407, 20165), (1635, 17353), (2289, 12395), (2345, 12099), (2479, 11445), (3815, 7437), (3885, 7303), (4033, 7035)]