80160981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 116736000

約数和(自身を除く): 36575019

約数列:

[1, 3, 19, 37, 57, 111, 191, 199, 573, 597, 703, 2109, 3629, 3781, 7067, 7363, 10887, 11343, 21201, 22089, 38009, 114027, 134273, 139897, 402819, 419691, 722171, 1406333, 2166513, 4218999, 26720327, 80160981]

約数ペア:

[(1, 80160981), (3, 26720327), (19, 4218999), (37, 2166513), (57, 1406333), (111, 722171), (191, 419691), (199, 402819), (573, 139897), (597, 134273), (703, 114027), (2109, 38009), (3629, 22089), (3781, 21201), (7067, 11343), (7363, 10887)]