3991881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1187}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 5702400

約数和(自身を除く): 1710519

約数列:

[1, 3, 19, 57, 59, 177, 1121, 1187, 3363, 3561, 22553, 67659, 70033, 210099, 1330627, 3991881]

約数ペア:

[(1, 3991881), (3, 1330627), (19, 210099), (57, 70033), (59, 67659), (177, 22553), (1121, 3561), (1187, 3363)]