127642405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{3511}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 167395968

約数和(自身を除く): 39753563

約数列:

[1, 5, 11, 55, 661, 3305, 3511, 7271, 17555, 36355, 38621, 193105, 2320771, 11603855, 25528481, 127642405]

約数ペア:

[(1, 127642405), (5, 25528481), (11, 11603855), (55, 2320771), (661, 193105), (3305, 38621), (3511, 36355), (7271, 17555)]