28755727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 11564273

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1249, 1771, 2093, 3289, 8743, 13739, 16237, 23023, 28727, 96173, 113659, 178607, 201089, 315997, 373451, 1250249, 2211979, 2614157, 4107961, 28755727]

約数ペア:

[(1, 28755727), (7, 4107961), (11, 2614157), (13, 2211979), (23, 1250249), (77, 373451), (91, 315997), (143, 201089), (161, 178607), (253, 113659), (299, 96173), (1001, 28727), (1249, 23023), (1771, 16237), (2093, 13739), (3289, 8743)]