1669143

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 2587136

約数和(自身を除く): 917993

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1303, 3909, 9121, 27363, 79483, 238449, 556381, 1669143]

約数ペア:

[(1, 1669143), (3, 556381), (7, 238449), (21, 79483), (61, 27363), (183, 9121), (427, 3909), (1281, 1303)]