27806163

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 48211968

約数和(自身を除く): 20405805

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 121, 217, 231, 341, 353, 363, 651, 847, 1023, 1059, 2387, 2471, 2541, 3751, 3883, 7161, 7413, 10943, 11253, 11649, 26257, 27181, 32829, 42713, 76601, 78771, 81543, 120373, 128139, 229803, 298991, 361119, 842611, 896973, 1324103, 2527833, 3972309, 9268721, 27806163]

約数ペア:

[(1, 27806163), (3, 9268721), (7, 3972309), (11, 2527833), (21, 1324103), (31, 896973), (33, 842611), (77, 361119), (93, 298991), (121, 229803), (217, 128139), (231, 120373), (341, 81543), (353, 78771), (363, 76601), (651, 42713), (847, 32829), (1023, 27181), (1059, 26257), (2387, 11649), (2471, 11253), (2541, 10943), (3751, 7413), (3883, 7161)]