18361521

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 27967680

約数和(自身を除く): 9606159

約数列:

[1, 3, 9, 23, 69, 107, 207, 321, 829, 963, 2461, 2487, 7383, 7461, 19067, 22149, 57201, 88703, 171603, 266109, 798327, 2040169, 6120507, 18361521]

約数ペア:

[(1, 18361521), (3, 6120507), (9, 2040169), (23, 798327), (69, 266109), (107, 171603), (207, 88703), (321, 57201), (829, 22149), (963, 19067), (2461, 7461), (2487, 7383)]