128588421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{25169}}^1$

素因数の和:25316

約数の個数: 16

約数和(自身を含む): 186056640

約数和(自身を除く): 57468219

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 25169, 75507, 327197, 981591, 3297139, 9891417, 42862807, 128588421]

約数ペア:

[(1, 128588421), (3, 42862807), (13, 9891417), (39, 3297139), (131, 981591), (393, 327197), (1703, 75507), (5109, 25169)]