855765981

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331307}}^1$

素因数の和:331361

約数の個数: 24

約数和(自身を含む): 1447153344

約数和(自身を除く): 591387363

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 331307, 993921, 2319149, 2981763, 6957447, 13583587, 20872341, 40750761, 95085109, 122252283, 285255327, 855765981]

約数ペア:

[(1, 855765981), (3, 285255327), (7, 122252283), (9, 95085109), (21, 40750761), (41, 20872341), (63, 13583587), (123, 6957447), (287, 2981763), (369, 2319149), (861, 993921), (2583, 331307)]