27027021

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 15550899

約数列:

[1, 3, 7, 21, 47, 139, 141, 197, 329, 417, 591, 973, 987, 1379, 2919, 4137, 6533, 9259, 19599, 27383, 27777, 45731, 64813, 82149, 137193, 191681, 194439, 575043, 1287001, 3861003, 9009007, 27027021]

約数ペア:

[(1, 27027021), (3, 9009007), (7, 3861003), (21, 1287001), (47, 575043), (139, 194439), (141, 191681), (197, 137193), (329, 82149), (417, 64813), (591, 45731), (973, 27777), (987, 27383), (1379, 19599), (2919, 9259), (4137, 6533)]