256905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 501120

約数和(自身を除く): 244215

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 173, 297, 495, 519, 865, 1485, 1557, 1903, 2595, 4671, 5709, 7785, 9515, 17127, 23355, 28545, 51381, 85635, 256905]

約数ペア:

[(1, 256905), (3, 85635), (5, 51381), (9, 28545), (11, 23355), (15, 17127), (27, 9515), (33, 7785), (45, 5709), (55, 4671), (99, 2595), (135, 1903), (165, 1557), (173, 1485), (297, 865), (495, 519)]