128577891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{49207}}^1$

素因数の和:49290

約数の個数: 16

約数和(自身を含む): 187384064

約数和(自身を除く): 58806173

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 49207, 147621, 639691, 1919073, 3296869, 9890607, 42859297, 128577891]

約数ペア:

[(1, 128577891), (3, 42859297), (13, 9890607), (39, 3296869), (67, 1919073), (201, 639691), (871, 147621), (2613, 49207)]