12757689

素因数分解:

$3^3\times 7^2\times {\mathrm{9643}}^1$

素因数の和:9666

約数の個数: 24

約数和(自身を含む): 21988320

約数和(自身を除く): 9230631

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9643, 28929, 67501, 86787, 202503, 260361, 472507, 607509, 1417521, 1822527, 4252563, 12757689]

約数ペア:

[(1, 12757689), (3, 4252563), (7, 1822527), (9, 1417521), (21, 607509), (27, 472507), (49, 260361), (63, 202503), (147, 86787), (189, 67501), (441, 28929), (1323, 9643)]