201890745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213641}}^1$

素因数の和:213662

約数の個数: 32

約数和(自身を含む): 410192640

約数和(自身を除く): 208301895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213641, 640923, 1068205, 1495487, 1922769, 3204615, 4486461, 5768307, 7477435, 9613845, 13459383, 22432305, 28841535, 40378149, 67296915, 201890745]

約数ペア:

[(1, 201890745), (3, 67296915), (5, 40378149), (7, 28841535), (9, 22432305), (15, 13459383), (21, 9613845), (27, 7477435), (35, 5768307), (45, 4486461), (63, 3204615), (105, 1922769), (135, 1495487), (189, 1068205), (315, 640923), (945, 213641)]