201205431

素因数分解:

$3^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2371}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 341568000

約数和(自身を除く): 140362569

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 449, 1347, 2371, 3143, 4041, 7113, 9429, 12123, 16597, 21339, 28287, 49791, 64017, 84861, 149373, 448119, 1064579, 3193737, 7452053, 9581211, 22356159, 28743633, 67068477, 201205431]

約数ペア:

[(1, 201205431), (3, 67068477), (7, 28743633), (9, 22356159), (21, 9581211), (27, 7452053), (63, 3193737), (189, 1064579), (449, 448119), (1347, 149373), (2371, 84861), (3143, 64017), (4041, 49791), (7113, 28287), (9429, 21339), (12123, 16597)]