12997503

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9439}}^1$

素因数の和:9468

約数の個数: 20

約数和(自身を含む): 20560320

約数和(自身を除く): 7562817

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9439, 28317, 84951, 160463, 254853, 481389, 764559, 1444167, 4332501, 12997503]

約数ペア:

[(1, 12997503), (3, 4332501), (9, 1444167), (17, 764559), (27, 481389), (51, 254853), (81, 160463), (153, 84951), (459, 28317), (1377, 9439)]