18072639

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1938

約数の個数: 28

約数和(自身を含む): 29196216

約数和(自身を除く): 11123577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1907, 3159, 5721, 9477, 17163, 24791, 51489, 74373, 154467, 223119, 463401, 669357, 1390203, 2008071, 6024213, 18072639]

約数ペア:

[(1, 18072639), (3, 6024213), (9, 2008071), (13, 1390203), (27, 669357), (39, 463401), (81, 223119), (117, 154467), (243, 74373), (351, 51489), (729, 24791), (1053, 17163), (1907, 9477), (3159, 5721)]