28472895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 26013537

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 485, 495, 593, 873, 1067, 1455, 1779, 2965, 3201, 4365, 5335, 5337, 6523, 8895, 9603, 16005, 19569, 26685, 32615, 48015, 57521, 58707, 97845, 172563, 287605, 293535, 517689, 632731, 862815, 1898193, 2588445, 3163655, 5694579, 9490965, 28472895]

約数ペア:

[(1, 28472895), (3, 9490965), (5, 5694579), (9, 3163655), (11, 2588445), (15, 1898193), (33, 862815), (45, 632731), (55, 517689), (97, 293535), (99, 287605), (165, 172563), (291, 97845), (485, 58707), (495, 57521), (593, 48015), (873, 32615), (1067, 26685), (1455, 19569), (1779, 16005), (2965, 9603), (3201, 8895), (4365, 6523), (5335, 5337)]