84840021

素因数分解:

$3^3\times 7^3\times {\mathrm{9161}}^1$

素因数の和:9191

約数の個数: 32

約数和(自身を含む): 146592000

約数和(自身を除く): 61751979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9161, 9261, 27483, 64127, 82449, 192381, 247347, 448889, 577143, 1346667, 1731429, 3142223, 4040001, 9426669, 12120003, 28280007, 84840021]

約数ペア:

[(1, 84840021), (3, 28280007), (7, 12120003), (9, 9426669), (21, 4040001), (27, 3142223), (49, 1731429), (63, 1346667), (147, 577143), (189, 448889), (343, 247347), (441, 192381), (1029, 82449), (1323, 64127), (3087, 27483), (9161, 9261)]