2957787

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 5246280

約数和(自身を除く): 2288493

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 353, 399, 441, 931, 1059, 1197, 2471, 2793, 3177, 6707, 7413, 8379, 17297, 20121, 22239, 46949, 51891, 60363, 140847, 155673, 328643, 422541, 985929, 2957787]

約数ペア:

[(1, 2957787), (3, 985929), (7, 422541), (9, 328643), (19, 155673), (21, 140847), (49, 60363), (57, 51891), (63, 46949), (133, 22239), (147, 20121), (171, 17297), (353, 8379), (399, 7413), (441, 6707), (931, 3177), (1059, 2793), (1197, 2471)]