31671561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 46545408

約数和(自身を除く): 14873847

約数列:

[1, 3, 17, 47, 51, 73, 141, 181, 219, 543, 799, 1241, 2397, 3077, 3431, 3723, 8507, 9231, 10293, 13213, 25521, 39639, 58327, 144619, 174981, 224621, 433857, 621011, 673863, 1863033, 10557187, 31671561]

約数ペア:

[(1, 31671561), (3, 10557187), (17, 1863033), (47, 673863), (51, 621011), (73, 433857), (141, 224621), (181, 174981), (219, 144619), (543, 58327), (799, 39639), (1241, 25521), (2397, 13213), (3077, 10293), (3431, 9231), (3723, 8507)]