18561069

素因数分解:

$3^9\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 29760192

約数和(自身を除く): 11199123

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 243, 369, 621, 729, 943, 1107, 1863, 2187, 2829, 3321, 5589, 6561, 8487, 9963, 16767, 19683, 25461, 29889, 50301, 76383, 89667, 150903, 229149, 269001, 452709, 687447, 807003, 2062341, 6187023, 18561069]

約数ペア:

[(1, 18561069), (3, 6187023), (9, 2062341), (23, 807003), (27, 687447), (41, 452709), (69, 269001), (81, 229149), (123, 150903), (207, 89667), (243, 76383), (369, 50301), (621, 29889), (729, 25461), (943, 19683), (1107, 16767), (1863, 9963), (2187, 8487), (2829, 6561), (3321, 5589)]