47490543

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{18913}}^1$

素因数の和:18956

約数の個数: 20

約数和(自身を含む): 73235008

約数和(自身を除く): 25744465

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 18913, 56739, 170217, 510651, 586303, 1531953, 1758909, 5276727, 15830181, 47490543]

約数ペア:

[(1, 47490543), (3, 15830181), (9, 5276727), (27, 1758909), (31, 1531953), (81, 586303), (93, 510651), (279, 170217), (837, 56739), (2511, 18913)]