856553421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349471}}^1$

素因数の和:349536

約数の個数: 16

約数和(自身を含む): 1230141440

約数和(自身を除く): 373588019

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 349471, 1048413, 6639949, 15027253, 19919847, 45081759, 285517807, 856553421]

約数ペア:

[(1, 856553421), (3, 285517807), (19, 45081759), (43, 19919847), (57, 15027253), (129, 6639949), (817, 1048413), (2451, 349471)]