201564531

素因数分解:

$3^4\times 7^1\times {\mathrm{433}}^1\times {\mathrm{821}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 345332064

約数和(自身を除く): 143767533

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 433, 567, 821, 1299, 2463, 3031, 3897, 5747, 7389, 9093, 11691, 17241, 22167, 27279, 35073, 51723, 66501, 81837, 155169, 245511, 355493, 465507, 1066479, 2488451, 3199437, 7465353, 9598311, 22396059, 28794933, 67188177, 201564531]

約数ペア:

[(1, 201564531), (3, 67188177), (7, 28794933), (9, 22396059), (21, 9598311), (27, 7465353), (63, 3199437), (81, 2488451), (189, 1066479), (433, 465507), (567, 355493), (821, 245511), (1299, 155169), (2463, 81837), (3031, 66501), (3897, 51723), (5747, 35073), (7389, 27279), (9093, 22167), (11691, 17241)]