12646431

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4271}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 21325824

約数和(自身を除く): 8679393

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 4271, 12813, 29897, 38439, 89691, 200737, 269073, 602211, 1405159, 1806633, 4215477, 12646431]

約数ペア:

[(1, 12646431), (3, 4215477), (7, 1806633), (9, 1405159), (21, 602211), (47, 269073), (63, 200737), (141, 89691), (329, 38439), (423, 29897), (987, 12813), (2961, 4271)]