3956883

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 6512640

約数和(自身を除く): 2555757

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 211, 329, 399, 633, 893, 987, 1477, 2679, 4009, 4431, 6251, 9917, 12027, 18753, 28063, 29751, 69419, 84189, 188423, 208257, 565269, 1318961, 3956883]

約数ペア:

[(1, 3956883), (3, 1318961), (7, 565269), (19, 208257), (21, 188423), (47, 84189), (57, 69419), (133, 29751), (141, 28063), (211, 18753), (329, 12027), (399, 9917), (633, 6251), (893, 4431), (987, 4009), (1477, 2679)]