128425959

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{250343}}^1$

素因数の和:250371

約数の個数: 16

約数和(自身を含む): 200275200

約数和(自身を除く): 71849241

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 250343, 751029, 2253087, 4756517, 6759261, 14269551, 42808653, 128425959]

約数ペア:

[(1, 128425959), (3, 42808653), (9, 14269551), (19, 6759261), (27, 4756517), (57, 2253087), (171, 751029), (513, 250343)]