128214711

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{66883}}^1$

素因数の和:66963

約数の個数: 16

約数和(自身を含む): 192625920

約数和(自身を除く): 64411209

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 66883, 200649, 601947, 1805841, 4748693, 14246079, 42738237, 128214711]

約数ペア:

[(1, 128214711), (3, 42738237), (9, 14246079), (27, 4748693), (71, 1805841), (213, 601947), (639, 200649), (1917, 66883)]