156665127

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20981}}^1$

素因数の和:21134

約数の個数: 16

約数和(自身を含む): 221569920

約数和(自身を除く): 64904793

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 20981, 62943, 398639, 1195917, 2748511, 8245533, 52221709, 156665127]

約数ペア:

[(1, 156665127), (3, 52221709), (19, 8245533), (57, 2748511), (131, 1195917), (393, 398639), (2489, 62943), (7467, 20981)]