28329021

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2975

約数の個数: 40

約数和(自身を含む): 51226560

約数和(自身を除く): 22897539

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2939, 3213, 8817, 9639, 20573, 26451, 49963, 61719, 79353, 149889, 185157, 238059, 349741, 449667, 555471, 1049223, 1349001, 1666413, 3147669, 4047003, 9443007, 28329021]

約数ペア:

[(1, 28329021), (3, 9443007), (7, 4047003), (9, 3147669), (17, 1666413), (21, 1349001), (27, 1049223), (51, 555471), (63, 449667), (81, 349741), (119, 238059), (153, 185157), (189, 149889), (357, 79353), (459, 61719), (567, 49963), (1071, 26451), (1377, 20573), (2939, 9639), (3213, 8817)]