128520153

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{11831}}^1$

素因数の和:11925

約数の個数: 24

約数和(自身を含む): 199345536

約数和(自身を除く): 70825383

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 11831, 35493, 106479, 201127, 603381, 840001, 1810143, 2520003, 7560009, 14280017, 42840051, 128520153]

約数ペア:

[(1, 128520153), (3, 42840051), (9, 14280017), (17, 7560009), (51, 2520003), (71, 1810143), (153, 840001), (213, 603381), (639, 201127), (1207, 106479), (3621, 35493), (10863, 11831)]