1288791

素因数分解:

$3^4\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 2201232

約数和(自身を除く): 912441

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2273, 6819, 15911, 20457, 47733, 61371, 143199, 184113, 429597, 1288791]

約数ペア:

[(1, 1288791), (3, 429597), (7, 184113), (9, 143199), (21, 61371), (27, 47733), (63, 20457), (81, 15911), (189, 6819), (567, 2273)]