287078961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8243}}^1$

素因数の和:8325

約数の個数: 32

約数和(自身を含む): 443197440

約数和(自身を除く): 156118479

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 611, 741, 893, 1833, 2679, 8243, 11609, 24729, 34827, 107159, 156617, 321477, 387421, 469851, 1162263, 2036021, 5036473, 6108063, 7360999, 15109419, 22082997, 95692987, 287078961]

約数ペア:

[(1, 287078961), (3, 95692987), (13, 22082997), (19, 15109419), (39, 7360999), (47, 6108063), (57, 5036473), (141, 2036021), (247, 1162263), (611, 469851), (741, 387421), (893, 321477), (1833, 156617), (2679, 107159), (8243, 34827), (11609, 24729)]