128515257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64613}}^1$

素因数の和:64649

約数の個数: 24

約数和(自身を含む): 211675464

約数和(自身を除く): 83160207

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 64613, 193839, 581517, 839969, 1098421, 2519907, 3295263, 7559721, 9885789, 14279473, 42838419, 128515257]

約数ペア:

[(1, 128515257), (3, 42838419), (9, 14279473), (13, 9885789), (17, 7559721), (39, 3295263), (51, 2519907), (117, 1098421), (153, 839969), (221, 581517), (663, 193839), (1989, 64613)]