12191823

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 20805120

約数和(自身を除く): 8613297

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 257, 753, 771, 1757, 1799, 2259, 2313, 5271, 5397, 6777, 6939, 15813, 16191, 47439, 48573, 64507, 193521, 451549, 580563, 1354647, 1741689, 4063941, 12191823]

約数ペア:

[(1, 12191823), (3, 4063941), (7, 1741689), (9, 1354647), (21, 580563), (27, 451549), (63, 193521), (189, 64507), (251, 48573), (257, 47439), (753, 16191), (771, 15813), (1757, 6939), (1799, 6777), (2259, 5397), (2313, 5271)]