209898135

素因数分解:

$3^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1871}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 377822016

約数和(自身を除く): 167923881

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 277, 405, 831, 1385, 1871, 2493, 4155, 5613, 7479, 9355, 12465, 16839, 22437, 28065, 37395, 50517, 84195, 112185, 151551, 252585, 518267, 757755, 1554801, 2591335, 4664403, 7774005, 13993209, 23322015, 41979627, 69966045, 209898135]

約数ペア:

[(1, 209898135), (3, 69966045), (5, 41979627), (9, 23322015), (15, 13993209), (27, 7774005), (45, 4664403), (81, 2591335), (135, 1554801), (277, 757755), (405, 518267), (831, 252585), (1385, 151551), (1871, 112185), (2493, 84195), (4155, 50517), (5613, 37395), (7479, 28065), (9355, 22437), (12465, 16839)]