27999531

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 47447712

約数和(自身を除く): 19448181

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 367, 441, 519, 1101, 1211, 1557, 2569, 3303, 3633, 7707, 8477, 10899, 17983, 23121, 25431, 53949, 63491, 76293, 161847, 190473, 444437, 571419, 1333311, 3111059, 3999933, 9333177, 27999531]

約数ペア:

[(1, 27999531), (3, 9333177), (7, 3999933), (9, 3111059), (21, 1333311), (49, 571419), (63, 444437), (147, 190473), (173, 161847), (367, 76293), (441, 63491), (519, 53949), (1101, 25431), (1211, 23121), (1557, 17983), (2569, 10899), (3303, 8477), (3633, 7707)]