172639797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 87389643

約数列:

[1, 3, 11, 33, 43, 89, 129, 267, 473, 979, 1367, 1419, 2937, 3827, 4101, 11481, 15037, 42097, 45111, 58781, 121663, 126291, 176343, 364989, 646591, 1338293, 1939773, 4014879, 5231509, 15694527, 57546599, 172639797]

約数ペア:

[(1, 172639797), (3, 57546599), (11, 15694527), (33, 5231509), (43, 4014879), (89, 1939773), (129, 1338293), (267, 646591), (473, 364989), (979, 176343), (1367, 126291), (1419, 121663), (2937, 58781), (3827, 45111), (4101, 42097), (11481, 15037)]