15945255

素因数分解:

$3^4\times 5^1\times {\mathrm{39371}}^1$

素因数の和:39388

約数の個数: 20

約数和(自身を含む): 28584072

約数和(自身を除く): 12638817

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39371, 118113, 196855, 354339, 590565, 1063017, 1771695, 3189051, 5315085, 15945255]

約数ペア:

[(1, 15945255), (3, 5315085), (5, 3189051), (9, 1771695), (15, 1063017), (27, 590565), (45, 354339), (81, 196855), (135, 118113), (405, 39371)]