13081887

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15973}}^1$

素因数の和:15999

約数の個数: 24

約数和(自身を含む): 23258144

約数和(自身を除く): 10176257

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 15973, 47919, 111811, 143757, 207649, 335433, 622947, 1006299, 1453543, 1868841, 4360629, 13081887]

約数ペア:

[(1, 13081887), (3, 4360629), (7, 1868841), (9, 1453543), (13, 1006299), (21, 622947), (39, 335433), (63, 207649), (91, 143757), (117, 111811), (273, 47919), (819, 15973)]