2989161

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2791}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 5226624

約数和(自身を除く): 2237463

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2791, 8373, 19537, 25119, 47447, 58611, 142341, 175833, 332129, 427023, 996387, 2989161]

約数ペア:

[(1, 2989161), (3, 996387), (7, 427023), (9, 332129), (17, 175833), (21, 142341), (51, 58611), (63, 47447), (119, 25119), (153, 19537), (357, 8373), (1071, 2791)]