205357581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{159563}}^1$

素因数の和:159593

約数の個数: 24

約数和(自身を含む): 348487776

約数和(自身を除く): 143130195

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 159563, 478689, 1436067, 1755193, 2074319, 5265579, 6222957, 15796737, 18668871, 22817509, 68452527, 205357581]

約数ペア:

[(1, 205357581), (3, 68452527), (9, 22817509), (11, 18668871), (13, 15796737), (33, 6222957), (39, 5265579), (99, 2074319), (117, 1755193), (143, 1436067), (429, 478689), (1287, 159563)]