181565145

素因数分解:

$3^4\times 5^1\times {\mathrm{448309}}^1$

素因数の和:448326

約数の個数: 20

約数和(自身を含む): 325473060

約数和(自身を除く): 143907915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 448309, 1344927, 2241545, 4034781, 6724635, 12104343, 20173905, 36313029, 60521715, 181565145]

約数ペア:

[(1, 181565145), (3, 60521715), (5, 36313029), (9, 20173905), (15, 12104343), (27, 6724635), (45, 4034781), (81, 2241545), (135, 1344927), (405, 448309)]