12891009

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1429}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 17937920

約数和(自身を除く): 5046911

約数列:

[1, 3, 31, 93, 97, 291, 1429, 3007, 4287, 9021, 44299, 132897, 138613, 415839, 4297003, 12891009]

約数ペア:

[(1, 12891009), (3, 4297003), (31, 415839), (93, 138613), (97, 132897), (291, 44299), (1429, 9021), (3007, 4287)]