12121989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15971}}^1$

素因数の和:16008

約数の個数: 16

約数和(自身を含む): 18399744

約数和(自身を除く): 6277755

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 15971, 47913, 175681, 367333, 527043, 1101999, 4040663, 12121989]

約数ペア:

[(1, 12121989), (3, 4040663), (11, 1101999), (23, 527043), (33, 367333), (69, 175681), (253, 47913), (759, 15971)]