12681963

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4283}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 21385728

約数和(自身を除く): 8703765

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 4283, 12849, 29981, 38547, 89943, 201301, 269829, 603903, 1409107, 1811709, 4227321, 12681963]

約数ペア:

[(1, 12681963), (3, 4227321), (7, 1811709), (9, 1409107), (21, 603903), (47, 269829), (63, 201301), (141, 89943), (329, 38547), (423, 29981), (987, 12849), (2961, 4283)]