1782081

素因数分解:

$3^4\times 7^2\times {\mathrm{449}}^1$

素因数の和:475

約数の個数: 30

約数和(自身を含む): 3103650

約数和(自身を除く): 1321569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 449, 567, 1323, 1347, 3143, 3969, 4041, 9429, 12123, 22001, 28287, 36369, 66003, 84861, 198009, 254583, 594027, 1782081]

約数ペア:

[(1, 1782081), (3, 594027), (7, 254583), (9, 198009), (21, 84861), (27, 66003), (49, 36369), (63, 28287), (81, 22001), (147, 12123), (189, 9429), (441, 4041), (449, 3969), (567, 3143), (1323, 1347)]