12686865

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3121}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 20380416

約数和(自身を除く): 7693551

約数列:

[1, 3, 5, 15, 271, 813, 1355, 3121, 4065, 9363, 15605, 46815, 845791, 2537373, 4228955, 12686865]

約数ペア:

[(1, 12686865), (3, 4228955), (5, 2537373), (15, 845791), (271, 46815), (813, 15605), (1355, 9363), (3121, 4065)]