180405495

素因数分解:

$3^3\times 5^1\times {\mathrm{1336337}}^1$

素因数の和:1336351

約数の個数: 16

約数和(自身を含む): 320721120

約数和(自身を除く): 140315625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1336337, 4009011, 6681685, 12027033, 20045055, 36081099, 60135165, 180405495]

約数ペア:

[(1, 180405495), (3, 60135165), (5, 36081099), (9, 20045055), (15, 12027033), (27, 6681685), (45, 4009011), (135, 1336337)]