12780858

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{20681}}^1$

素因数の和:20789

約数の個数: 16

約数和(自身を含む): 25811136

約数和(自身を除く): 13030278

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 20681, 41362, 62043, 124086, 2130143, 4260286, 6390429, 12780858]

約数ペア:

[(1, 12780858), (2, 6390429), (3, 4260286), (6, 2130143), (103, 124086), (206, 62043), (309, 41362), (618, 20681)]