31392621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1709}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 49172760

約数和(自身を除く): 17780139

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 1709, 2041, 5127, 6123, 15381, 18369, 22217, 66651, 199953, 268313, 804939, 2414817, 3488069, 10464207, 31392621]

約数ペア:

[(1, 31392621), (3, 10464207), (9, 3488069), (13, 2414817), (39, 804939), (117, 268313), (157, 199953), (471, 66651), (1413, 22217), (1709, 18369), (2041, 15381), (5127, 6123)]