858731319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{21839}}^1$

素因数の和:22119

約数の個数: 24

約数和(自身を含む): 1318524480

約数和(自身を除く): 459793161

約数列:

[1, 3, 9, 17, 51, 153, 257, 771, 2313, 4369, 13107, 21839, 39321, 65517, 196551, 371263, 1113789, 3341367, 5612623, 16837869, 50513607, 95414591, 286243773, 858731319]

約数ペア:

[(1, 858731319), (3, 286243773), (9, 95414591), (17, 50513607), (51, 16837869), (153, 5612623), (257, 3341367), (771, 1113789), (2313, 371263), (4369, 196551), (13107, 65517), (21839, 39321)]