1891011

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2623104

約数和(自身を除く): 732093

約数列:

[1, 3, 43, 107, 129, 137, 321, 411, 4601, 5891, 13803, 14659, 17673, 43977, 630337, 1891011]

約数ペア:

[(1, 1891011), (3, 630337), (43, 43977), (107, 17673), (129, 14659), (137, 13803), (321, 5891), (411, 4601)]