1212009561

素因数分解:

$3^4\times 7^2\times {\mathrm{305369}}^1$

素因数の和:305395

約数の個数: 30

約数和(自身を含む): 2106136890

約数和(自身を除く): 894127329

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 305369, 916107, 2137583, 2748321, 6412749, 8244963, 14963081, 19238247, 24734889, 44889243, 57714741, 134667729, 173144223, 404003187, 1212009561]

約数ペア:

[(1, 1212009561), (3, 404003187), (7, 173144223), (9, 134667729), (21, 57714741), (27, 44889243), (49, 24734889), (63, 19238247), (81, 14963081), (147, 8244963), (189, 6412749), (441, 2748321), (567, 2137583), (1323, 916107), (3969, 305369)]