16640481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 26449920

約数和(自身を除く): 9809439

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 491, 869, 1027, 1473, 2607, 3081, 5401, 6383, 11297, 16203, 19149, 33891, 38789, 70213, 116367, 210639, 426679, 504257, 1280037, 1512771, 5546827, 16640481]

約数ペア:

[(1, 16640481), (3, 5546827), (11, 1512771), (13, 1280037), (33, 504257), (39, 426679), (79, 210639), (143, 116367), (237, 70213), (429, 38789), (491, 33891), (869, 19149), (1027, 16203), (1473, 11297), (2607, 6383), (3081, 5401)]