13825721

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 18278400

約数和(自身を除く): 4452679

約数列:

[1, 7, 13, 29, 31, 91, 169, 203, 217, 377, 403, 899, 1183, 2197, 2639, 2821, 4901, 5239, 6293, 11687, 15379, 34307, 36673, 63713, 68107, 81809, 151931, 445991, 476749, 1063517, 1975103, 13825721]

約数ペア:

[(1, 13825721), (7, 1975103), (13, 1063517), (29, 476749), (31, 445991), (91, 151931), (169, 81809), (203, 68107), (217, 63713), (377, 36673), (403, 34307), (899, 15379), (1183, 11687), (2197, 6293), (2639, 5239), (2821, 4901)]