213028479

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{2447}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 326514240

約数和(自身を除く): 113485761

約数列:

[1, 3, 9, 17, 51, 153, 569, 1707, 2447, 5121, 7341, 9673, 22023, 29019, 41599, 87057, 124797, 374391, 1392343, 4177029, 12531087, 23669831, 71009493, 213028479]

約数ペア:

[(1, 213028479), (3, 71009493), (9, 23669831), (17, 12531087), (51, 4177029), (153, 1392343), (569, 374391), (1707, 124797), (2447, 87057), (5121, 41599), (7341, 29019), (9673, 22023)]