12291321

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2113}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 18806144

約数和(自身を除く): 6514823

約数列:

[1, 3, 7, 21, 277, 831, 1939, 2113, 5817, 6339, 14791, 44373, 585301, 1755903, 4097107, 12291321]

約数ペア:

[(1, 12291321), (3, 4097107), (7, 1755903), (21, 585301), (277, 44373), (831, 14791), (1939, 6339), (2113, 5817)]