12465957

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 20224000

約数和(自身を除く): 7758043

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 199, 399, 471, 597, 1099, 1393, 2983, 3297, 3781, 4179, 8949, 11343, 20881, 26467, 31243, 62643, 79401, 93729, 218701, 593617, 656103, 1780851, 4155319, 12465957]

約数ペア:

[(1, 12465957), (3, 4155319), (7, 1780851), (19, 656103), (21, 593617), (57, 218701), (133, 93729), (157, 79401), (199, 62643), (399, 31243), (471, 26467), (597, 20881), (1099, 11343), (1393, 8949), (2983, 4179), (3297, 3781)]