12810161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 17203200

約数和(自身を除く): 4393039

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 239, 247, 403, 589, 1673, 1729, 2821, 3107, 4123, 4541, 7409, 7657, 21749, 31787, 51863, 53599, 59033, 96317, 140771, 413231, 674219, 985397, 1830023, 12810161]

約数ペア:

[(1, 12810161), (7, 1830023), (13, 985397), (19, 674219), (31, 413231), (91, 140771), (133, 96317), (217, 59033), (239, 53599), (247, 51863), (403, 31787), (589, 21749), (1673, 7657), (1729, 7409), (2821, 4541), (3107, 4123)]