78332481

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 123770880

約数和(自身を除く): 45438399

約数列:

[1, 3, 9, 17, 27, 51, 153, 157, 459, 471, 1087, 1413, 2669, 3261, 4239, 8007, 9783, 18479, 24021, 29349, 55437, 72063, 166311, 170659, 498933, 511977, 1535931, 2901203, 4607793, 8703609, 26110827, 78332481]

約数ペア:

[(1, 78332481), (3, 26110827), (9, 8703609), (17, 4607793), (27, 2901203), (51, 1535931), (153, 511977), (157, 498933), (459, 170659), (471, 166311), (1087, 72063), (1413, 55437), (2669, 29349), (3261, 24021), (4239, 18479), (8007, 9783)]