18227781

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4721}}^1$

素因数の和:4754

約数の個数: 32

約数和(自身を含む): 31731840

約数和(自身を除く): 13504059

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 4721, 14163, 42489, 51931, 61373, 127467, 155793, 184119, 467379, 552357, 675103, 1402137, 1657071, 2025309, 6075927, 18227781]

約数ペア:

[(1, 18227781), (3, 6075927), (9, 2025309), (11, 1657071), (13, 1402137), (27, 675103), (33, 552357), (39, 467379), (99, 184119), (117, 155793), (143, 127467), (297, 61373), (351, 51931), (429, 42489), (1287, 14163), (3861, 4721)]