187002009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{2099}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 285012000

約数和(自身を除く): 98009991

約数列:

[1, 3, 9, 19, 57, 171, 521, 1563, 2099, 4689, 6297, 9899, 18891, 29697, 39881, 89091, 119643, 358929, 1093579, 3280737, 9842211, 20778001, 62334003, 187002009]

約数ペア:

[(1, 187002009), (3, 62334003), (9, 20778001), (19, 9842211), (57, 3280737), (171, 1093579), (521, 358929), (1563, 119643), (2099, 89091), (4689, 39881), (6297, 29697), (9899, 18891)]