128697729

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{28279}}^1$

素因数の和:28360

約数の個数: 16

約数和(自身を含む): 180539520

約数和(自身を除く): 51841791

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 28279, 84837, 1046323, 1159439, 3138969, 3478317, 42899243, 128697729]

約数ペア:

[(1, 128697729), (3, 42899243), (37, 3478317), (41, 3138969), (111, 1159439), (123, 1046323), (1517, 84837), (4551, 28279)]