128005977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 195963264

約数和(自身を除く): 67957287

約数列:

[1, 3, 11, 33, 37, 41, 111, 123, 407, 451, 1221, 1353, 1517, 2557, 4551, 7671, 16687, 28127, 50061, 84381, 94609, 104837, 283827, 314511, 1040699, 1153207, 3122097, 3459621, 3878969, 11636907, 42668659, 128005977]

約数ペア:

[(1, 128005977), (3, 42668659), (11, 11636907), (33, 3878969), (37, 3459621), (41, 3122097), (111, 1153207), (123, 1040699), (407, 314511), (451, 283827), (1221, 104837), (1353, 94609), (1517, 84381), (2557, 50061), (4551, 28127), (7671, 16687)]