2885220009

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{25457}}^1$

素因数の和:25734

約数の個数: 36

約数和(自身を含む): 4867009524

約数和(自身を除く): 1981789515

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 441, 771, 1799, 2313, 5397, 12593, 16191, 25457, 37779, 76371, 113337, 178199, 229113, 534597, 1247393, 1603791, 3742179, 6542449, 11226537, 19627347, 45797143, 58882041, 137391429, 320580001, 412174287, 961740003, 2885220009]

約数ペア:

[(1, 2885220009), (3, 961740003), (7, 412174287), (9, 320580001), (21, 137391429), (49, 58882041), (63, 45797143), (147, 19627347), (257, 11226537), (441, 6542449), (771, 3742179), (1799, 1603791), (2313, 1247393), (5397, 534597), (12593, 229113), (16191, 178199), (25457, 113337), (37779, 76371)]