428740641

素因数分解:

$3^3\times 7^2\times {\mathrm{324067}}^1$

素因数の和:324090

約数の個数: 24

約数和(自身を含む): 738875040

約数和(自身を除く): 310134399

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 324067, 972201, 2268469, 2916603, 6805407, 8749809, 15879283, 20416221, 47637849, 61248663, 142913547, 428740641]

約数ペア:

[(1, 428740641), (3, 142913547), (7, 61248663), (9, 47637849), (21, 20416221), (27, 15879283), (49, 8749809), (63, 6805407), (147, 2916603), (189, 2268469), (441, 972201), (1323, 324067)]