205191279

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{399983}}^1$

素因数の和:400011

約数の個数: 16

約数和(自身を含む): 319987200

約数和(自身を除く): 114795921

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 399983, 1199949, 3599847, 7599677, 10799541, 22799031, 68397093, 205191279]

約数ペア:

[(1, 205191279), (3, 68397093), (9, 22799031), (19, 10799541), (27, 7599677), (57, 3599847), (171, 1199949), (513, 399983)]