13440021

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{761}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 21238464

約数和(自身を除く): 7798443

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 761, 841, 2283, 2523, 5327, 5887, 15981, 17661, 22069, 66207, 154483, 463449, 640001, 1920003, 4480007, 13440021]

約数ペア:

[(1, 13440021), (3, 4480007), (7, 1920003), (21, 640001), (29, 463449), (87, 154483), (203, 66207), (609, 22069), (761, 17661), (841, 15981), (2283, 5887), (2523, 5327)]