128800971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20771}}^1$

素因数の和:20843

約数の個数: 24

約数和(自身を含む): 204147216

約数和(自身を除く): 75346245

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 20771, 62313, 186939, 270023, 810069, 1100863, 2430207, 3302589, 9907767, 14311219, 42933657, 128800971]

約数ペア:

[(1, 128800971), (3, 42933657), (9, 14311219), (13, 9907767), (39, 3302589), (53, 2430207), (117, 1100863), (159, 810069), (477, 270023), (689, 186939), (2067, 62313), (6201, 20771)]