165720465

素因数分解:

$3^3\times 5^1\times {\mathrm{1227559}}^1$

素因数の和:1227573

約数の個数: 16

約数和(自身を含む): 294614400

約数和(自身を除く): 128893935

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1227559, 3682677, 6137795, 11048031, 18413385, 33144093, 55240155, 165720465]

約数ペア:

[(1, 165720465), (3, 55240155), (5, 33144093), (9, 18413385), (15, 11048031), (27, 6137795), (45, 3682677), (135, 1227559)]