13721553

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2767}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 21590400

約数和(自身を除く): 7868847

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 2767, 4959, 8301, 24903, 52573, 80243, 157719, 240729, 473157, 722187, 1524617, 4573851, 13721553]

約数ペア:

[(1, 13721553), (3, 4573851), (9, 1524617), (19, 722187), (29, 473157), (57, 240729), (87, 157719), (171, 80243), (261, 52573), (551, 24903), (1653, 8301), (2767, 4959)]