15540255

素因数分解:

$3^4\times 5^1\times {\mathrm{38371}}^1$

素因数の和:38388

約数の個数: 20

約数和(自身を含む): 27858072

約数和(自身を除く): 12317817

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 38371, 115113, 191855, 345339, 575565, 1036017, 1726695, 3108051, 5180085, 15540255]

約数ペア:

[(1, 15540255), (3, 5180085), (5, 3108051), (9, 1726695), (15, 1036017), (27, 575565), (45, 345339), (81, 191855), (135, 115113), (405, 38371)]