7948654581

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{20897}}^1$

素因数の和:21273

約数の個数: 32

約数和(自身を含む): 12358241280

約数和(自身を除く): 4409586699

約数列:

[1, 3, 7, 21, 59, 177, 307, 413, 921, 1239, 2149, 6447, 18113, 20897, 54339, 62691, 126791, 146279, 380373, 438837, 1232923, 3698769, 6415379, 8630461, 19246137, 25891383, 44907653, 134722959, 378507361, 1135522083, 2649551527, 7948654581]

約数ペア:

[(1, 7948654581), (3, 2649551527), (7, 1135522083), (21, 378507361), (59, 134722959), (177, 44907653), (307, 25891383), (413, 19246137), (921, 8630461), (1239, 6415379), (2149, 3698769), (6447, 1232923), (18113, 438837), (20897, 380373), (54339, 146279), (62691, 126791)]