131018217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 194918400

約数和(自身を除く): 63900183

約数列:

[1, 3, 11, 33, 71, 199, 213, 281, 597, 781, 843, 2189, 2343, 3091, 6567, 9273, 14129, 19951, 42387, 55919, 59853, 155419, 167757, 219461, 466257, 615109, 658383, 1845327, 3970249, 11910747, 43672739, 131018217]

約数ペア:

[(1, 131018217), (3, 43672739), (11, 11910747), (33, 3970249), (71, 1845327), (199, 658383), (213, 615109), (281, 466257), (597, 219461), (781, 167757), (843, 155419), (2189, 59853), (2343, 55919), (3091, 42387), (6567, 19951), (9273, 14129)]