28480683

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 19258197

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 887, 973, 1529, 2661, 2919, 4587, 6209, 9757, 10703, 18627, 29271, 32109, 68299, 123293, 204897, 369879, 863051, 1356223, 2589153, 4068669, 9493561, 28480683]

約数ペア:

[(1, 28480683), (3, 9493561), (7, 4068669), (11, 2589153), (21, 1356223), (33, 863051), (77, 369879), (139, 204897), (231, 123293), (417, 68299), (887, 32109), (973, 29271), (1529, 18627), (2661, 10703), (2919, 9757), (4587, 6209)]