201388635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639329}}^1$

素因数の和:639347

約数の個数: 24

約数和(自身を含む): 398941920

約数和(自身を除く): 197553285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639329, 1917987, 3196645, 4475303, 5753961, 9589935, 13425909, 22376515, 28769805, 40277727, 67129545, 201388635]

約数ペア:

[(1, 201388635), (3, 67129545), (5, 40277727), (7, 28769805), (9, 22376515), (15, 13425909), (21, 9589935), (35, 5753961), (45, 4475303), (63, 3196645), (105, 1917987), (315, 639329)]