213888988857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{12806957}}^1$

素因数の和:12807272

約数の個数: 16

約数和(自身を含む): 301219652160

約数和(自身を除く): 87330663303

約数列:

[1, 3, 19, 57, 293, 879, 5567, 16701, 12806957, 38420871, 243332183, 729996549, 3752438401, 11257315203, 71296329619, 213888988857]

約数ペア:

[(1, 213888988857), (3, 71296329619), (19, 11257315203), (57, 3752438401), (293, 729996549), (879, 243332183), (5567, 38420871), (16701, 12806957)]