8389431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 12954240

約数和(自身を除く): 4564809

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 691, 1349, 2073, 4047, 6219, 12141, 13129, 39387, 49061, 118161, 147183, 441549, 932159, 2796477, 8389431]

約数ペア:

[(1, 8389431), (3, 2796477), (9, 932159), (19, 441549), (57, 147183), (71, 118161), (171, 49061), (213, 39387), (639, 13129), (691, 12141), (1349, 6219), (2073, 4047)]