18540765

素因数分解:

$3^3\times 5^1\times {\mathrm{137339}}^1$

素因数の和:137353

約数の個数: 16

約数和(自身を含む): 32961600

約数和(自身を除く): 14420835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137339, 412017, 686695, 1236051, 2060085, 3708153, 6180255, 18540765]

約数ペア:

[(1, 18540765), (3, 6180255), (5, 3708153), (9, 2060085), (15, 1236051), (27, 686695), (45, 412017), (135, 137339)]