31691913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7331}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 46455552

約数和(自身を除く): 14763639

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 7331, 21993, 80641, 241923, 960361, 2881083, 10563971, 31691913]

約数ペア:

[(1, 31691913), (3, 10563971), (11, 2881083), (33, 960361), (131, 241923), (393, 80641), (1441, 21993), (4323, 7331)]