821489727

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{3907}}^1$

素因数の和:4662

約数の個数: 16

約数和(自身を含む): 1107370880

約数和(自身を除く): 285881153

約数列:

[1, 3, 109, 327, 643, 1929, 3907, 11721, 70087, 210261, 425863, 1277589, 2512201, 7536603, 273829909, 821489727]

約数ペア:

[(1, 821489727), (3, 273829909), (109, 7536603), (327, 2512201), (643, 1277589), (1929, 425863), (3907, 210261), (11721, 70087)]