81835263

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 36

約数和(自身を含む): 127584288

約数和(自身を除く): 45749025

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 289, 431, 657, 867, 1241, 1293, 2601, 3723, 3879, 7327, 11169, 21097, 21981, 31463, 63291, 65943, 94389, 124559, 189873, 283167, 373677, 534871, 1121031, 1604613, 4813839, 9092807, 27278421, 81835263]

約数ペア:

[(1, 81835263), (3, 27278421), (9, 9092807), (17, 4813839), (51, 1604613), (73, 1121031), (153, 534871), (219, 373677), (289, 283167), (431, 189873), (657, 124559), (867, 94389), (1241, 65943), (1293, 63291), (2601, 31463), (3723, 21981), (3879, 21097), (7327, 11169)]