16118781

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 25552128

約数和(自身を除く): 9433347

約数列:

[1, 3, 7, 21, 41, 97, 123, 193, 287, 291, 579, 679, 861, 1351, 2037, 3977, 4053, 7913, 11931, 18721, 23739, 27839, 55391, 56163, 83517, 131047, 166173, 393141, 767561, 2302683, 5372927, 16118781]

約数ペア:

[(1, 16118781), (3, 5372927), (7, 2302683), (21, 767561), (41, 393141), (97, 166173), (123, 131047), (193, 83517), (287, 56163), (291, 55391), (579, 27839), (679, 23739), (861, 18721), (1351, 11931), (2037, 7913), (3977, 4053)]