28664979

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12757}}^1$

素因数の和:12874

約数の個数: 16

約数和(自身を含む): 44091648

約数和(自身を除く): 15426669

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 12757, 38271, 89299, 267897, 1364999, 4094997, 9554993, 28664979]

約数ペア:

[(1, 28664979), (3, 9554993), (7, 4094997), (21, 1364999), (107, 267897), (321, 89299), (749, 38271), (2247, 12757)]