166449879

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{21991}}^1$

素因数の和:22055

約数の個数: 18

約数和(自身を含む): 249015416

約数和(自身を除く): 82565537

約数列:

[1, 3, 9, 29, 87, 261, 841, 2523, 7569, 21991, 65973, 197919, 637739, 1913217, 5739651, 18494431, 55483293, 166449879]

約数ペア:

[(1, 166449879), (3, 55483293), (9, 18494431), (29, 5739651), (87, 1913217), (261, 637739), (841, 197919), (2523, 65973), (7569, 21991)]