18300087

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1962

約数の個数: 28

約数和(自身を含む): 29563464

約数和(自身を除く): 11263377

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1931, 3159, 5793, 9477, 17379, 25103, 52137, 75309, 156411, 225927, 469233, 677781, 1407699, 2033343, 6100029, 18300087]

約数ペア:

[(1, 18300087), (3, 6100029), (9, 2033343), (13, 1407699), (27, 677781), (39, 469233), (81, 225927), (117, 156411), (243, 75309), (351, 52137), (729, 25103), (1053, 17379), (1931, 9477), (3159, 5793)]