128139489

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{31019}}^1$

素因数の和:31051

約数の個数: 24

約数和(自身を含む): 203243040

約数和(自身を除く): 75103551

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 31019, 93057, 279171, 527323, 837513, 1581969, 2512539, 4745907, 7537617, 14237721, 42713163, 128139489]

約数ペア:

[(1, 128139489), (3, 42713163), (9, 14237721), (17, 7537617), (27, 4745907), (51, 2512539), (81, 1581969), (153, 837513), (243, 527323), (459, 279171), (1377, 93057), (4131, 31019)]