128903553

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 191969856

約数和(自身を除く): 63066303

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 3307, 4331, 9921, 12993, 29763, 38979, 201727, 234797, 605181, 704391, 1815543, 2113173, 14322617, 42967851, 128903553]

約数ペア:

[(1, 128903553), (3, 42967851), (9, 14322617), (61, 2113173), (71, 1815543), (183, 704391), (213, 605181), (549, 234797), (639, 201727), (3307, 38979), (4331, 29763), (9921, 12993)]