291216494889

素因数分解:

$3^4\times {\mathrm{203617}}^1\times {\mathrm{17657}}^1$

素因数の和:221286

約数の個数: 20

約数和(自身を含む): 435053883924

約数和(自身を除く): 143837389035

約数列:

[1, 3, 9, 27, 81, 17657, 52971, 158913, 203617, 476739, 610851, 1430217, 1832553, 5497659, 16492977, 3595265369, 10785796107, 32357388321, 97072164963, 291216494889]

約数ペア:

[(1, 291216494889), (3, 97072164963), (9, 32357388321), (27, 10785796107), (81, 3595265369), (17657, 16492977), (52971, 5497659), (158913, 1832553), (203617, 1430217), (476739, 610851)]