28585179

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1296

約数の個数: 36

約数和(自身を含む): 48977136

約数和(自身を除く): 20391957

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 1223, 2597, 3339, 3669, 7791, 8561, 11007, 23373, 25683, 59927, 64819, 77049, 179781, 194457, 453733, 539343, 583371, 1361199, 3176131, 4083597, 9528393, 28585179]

約数ペア:

[(1, 28585179), (3, 9528393), (7, 4083597), (9, 3176131), (21, 1361199), (49, 583371), (53, 539343), (63, 453733), (147, 194457), (159, 179781), (371, 77049), (441, 64819), (477, 59927), (1113, 25683), (1223, 23373), (2597, 11007), (3339, 8561), (3669, 7791)]