7939503

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 13977600

約数和(自身を除く): 6038097

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 199, 279, 341, 403, 429, 597, 1023, 1209, 1287, 1791, 2189, 2587, 3069, 3627, 4433, 6169, 6567, 7761, 13299, 18507, 19701, 23283, 28457, 39897, 55521, 67859, 80197, 85371, 203577, 240591, 256113, 610731, 721773, 882167, 2646501, 7939503]

約数ペア:

[(1, 7939503), (3, 2646501), (9, 882167), (11, 721773), (13, 610731), (31, 256113), (33, 240591), (39, 203577), (93, 85371), (99, 80197), (117, 67859), (143, 55521), (199, 39897), (279, 28457), (341, 23283), (403, 19701), (429, 18507), (597, 13299), (1023, 7761), (1209, 6567), (1287, 6169), (1791, 4433), (2189, 3627), (2587, 3069)]