28763319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 43853824

約数和(自身を除く): 15090505

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 481, 643, 1147, 1209, 1443, 1929, 3441, 8359, 14911, 19933, 23791, 25077, 44733, 59799, 71373, 259129, 309283, 737521, 777387, 927849, 2212563, 9587773, 28763319]

約数ペア:

[(1, 28763319), (3, 9587773), (13, 2212563), (31, 927849), (37, 777387), (39, 737521), (93, 309283), (111, 259129), (403, 71373), (481, 59799), (643, 44733), (1147, 25077), (1209, 23791), (1443, 19933), (1929, 14911), (3441, 8359)]