28131849

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 14549751

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1709, 1829, 5127, 5487, 15381, 16461, 52979, 100831, 158937, 302493, 476811, 907479, 3125761, 9377283, 28131849]

約数ペア:

[(1, 28131849), (3, 9377283), (9, 3125761), (31, 907479), (59, 476811), (93, 302493), (177, 158937), (279, 100831), (531, 52979), (1709, 16461), (1829, 15381), (5127, 5487)]