56720007

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 30

約数和(自身を含む): 90044328

約数和(自身を除く): 33324321

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 289, 459, 867, 1377, 2423, 2601, 7269, 7803, 21807, 23409, 41191, 65421, 123573, 196263, 370719, 700247, 1112157, 2100741, 3336471, 6302223, 18906669, 56720007]

約数ペア:

[(1, 56720007), (3, 18906669), (9, 6302223), (17, 3336471), (27, 2100741), (51, 1112157), (81, 700247), (153, 370719), (289, 196263), (459, 123573), (867, 65421), (1377, 41191), (2423, 23409), (2601, 21807), (7269, 7803)]