2781163

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 3651840

約数和(自身を除く): 870677

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1901, 13307, 20911, 36119, 146377, 252833, 397309, 2781163]

約数ペア:

[(1, 2781163), (7, 397309), (11, 252833), (19, 146377), (77, 36119), (133, 20911), (209, 13307), (1463, 1901)]