128280723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{42463}}^1$

素因数の和:42538

約数の個数: 16

約数和(自身を含む): 183444480

約数和(自身を除く): 55163757

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 42463, 127389, 806797, 2250539, 2420391, 6751617, 42760241, 128280723]

約数ペア:

[(1, 128280723), (3, 42760241), (19, 6751617), (53, 2420391), (57, 2250539), (159, 806797), (1007, 127389), (3021, 42463)]