128045266587

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1379813}}^1$

素因数の和:1380320

約数の個数: 32

約数和(自身を含む): 217237916160

約数和(自身を除く): 89192649573

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 1473, 3437, 4419, 10311, 13257, 30933, 92799, 1379813, 4139439, 9658691, 12418317, 28976073, 37254951, 86928219, 260784657, 677488183, 2032464549, 4742417281, 6097393647, 14227251843, 18292180941, 42681755529, 128045266587]

約数ペア:

[(1, 128045266587), (3, 42681755529), (7, 18292180941), (9, 14227251843), (21, 6097393647), (27, 4742417281), (63, 2032464549), (189, 677488183), (491, 260784657), (1473, 86928219), (3437, 37254951), (4419, 28976073), (10311, 12418317), (13257, 9658691), (30933, 4139439), (92799, 1379813)]