2879919

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2689}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 5035680

約数和(自身を除く): 2155761

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2689, 8067, 18823, 24201, 45713, 56469, 137139, 169407, 319991, 411417, 959973, 2879919]

約数ペア:

[(1, 2879919), (3, 959973), (7, 411417), (9, 319991), (17, 169407), (21, 137139), (51, 56469), (63, 45713), (119, 24201), (153, 18823), (357, 8067), (1071, 2689)]