31440783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22157}}^1$

素因数の和:22214

約数の個数: 16

約数和(自身を含む): 46797696

約数和(自身を除く): 15356913

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 22157, 66471, 243727, 731181, 952751, 2858253, 10480261, 31440783]

約数ペア:

[(1, 31440783), (3, 10480261), (11, 2858253), (33, 952751), (43, 731181), (129, 243727), (473, 66471), (1419, 22157)]