27240705

素因数分解:

$3^4\times 5^1\times {\mathrm{67261}}^1$

素因数の和:67278

約数の個数: 20

約数和(自身を含む): 48832212

約数和(自身を除く): 21591507

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 67261, 201783, 336305, 605349, 1008915, 1816047, 3026745, 5448141, 9080235, 27240705]

約数ペア:

[(1, 27240705), (3, 9080235), (5, 5448141), (9, 3026745), (15, 1816047), (27, 1008915), (45, 605349), (81, 336305), (135, 201783), (405, 67261)]