17249517

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 27599616

約数和(自身を除く): 10350099

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 197, 207, 423, 591, 621, 1081, 1269, 1773, 1863, 3243, 3807, 4531, 5319, 9259, 9729, 13593, 15957, 27777, 29187, 40779, 83331, 87561, 122337, 212957, 249993, 367011, 638871, 749979, 1916613, 5749839, 17249517]

約数ペア:

[(1, 17249517), (3, 5749839), (9, 1916613), (23, 749979), (27, 638871), (47, 367011), (69, 249993), (81, 212957), (141, 122337), (197, 87561), (207, 83331), (423, 40779), (591, 29187), (621, 27777), (1081, 15957), (1269, 13593), (1773, 9729), (1863, 9259), (3243, 5319), (3807, 4531)]