1891791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3027024

約数和(自身を除く): 1135233

約数列:

[1, 3, 9, 11, 33, 97, 99, 197, 291, 591, 873, 1067, 1773, 2167, 3201, 6501, 9603, 19109, 19503, 57327, 171981, 210199, 630597, 1891791]

約数ペア:

[(1, 1891791), (3, 630597), (9, 210199), (11, 171981), (33, 57327), (97, 19503), (99, 19109), (197, 9603), (291, 6501), (591, 3201), (873, 2167), (1067, 1773)]