81275274

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2355

約数の個数: 48

約数和(自身を含む): 187181280

約数和(自身を除く): 105906006

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 642, 963, 1926, 2033, 2221, 4066, 4442, 6099, 6663, 12198, 13326, 18297, 19989, 36594, 39978, 42199, 84398, 126597, 237647, 253194, 379791, 475294, 712941, 759582, 1425882, 2138823, 4277646, 4515293, 9030586, 13545879, 27091758, 40637637, 81275274]

約数ペア:

[(1, 81275274), (2, 40637637), (3, 27091758), (6, 13545879), (9, 9030586), (18, 4515293), (19, 4277646), (38, 2138823), (57, 1425882), (107, 759582), (114, 712941), (171, 475294), (214, 379791), (321, 253194), (342, 237647), (642, 126597), (963, 84398), (1926, 42199), (2033, 39978), (2221, 36594), (4066, 19989), (4442, 18297), (6099, 13326), (6663, 12198)]