12815649

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18493}}^1$

素因数の和:18517

約数の個数: 24

約数和(自身を含む): 23080512

約数和(自身を除く): 10264863

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 18493, 55479, 129451, 166437, 203423, 388353, 610269, 1165059, 1423961, 1830807, 4271883, 12815649]

約数ペア:

[(1, 12815649), (3, 4271883), (7, 1830807), (9, 1423961), (11, 1165059), (21, 610269), (33, 388353), (63, 203423), (77, 166437), (99, 129451), (231, 55479), (693, 18493)]