64866555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 129669120

約数和(自身を除く): 64802565

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1607, 1755, 2691, 3105, 4485, 4821, 8035, 8073, 13455, 14463, 20891, 24105, 36961, 40365, 43389, 62673, 72315, 104455, 110883, 184805, 188019, 216945, 313365, 332649, 480493, 554415, 564057, 940095, 997947, 1441479, 1663245, 2402465, 2820285, 4324437, 4989735, 7207395, 12973311, 21622185, 64866555]

約数ペア:

[(1, 64866555), (3, 21622185), (5, 12973311), (9, 7207395), (13, 4989735), (15, 4324437), (23, 2820285), (27, 2402465), (39, 1663245), (45, 1441479), (65, 997947), (69, 940095), (115, 564057), (117, 554415), (135, 480493), (195, 332649), (207, 313365), (299, 216945), (345, 188019), (351, 184805), (585, 110883), (621, 104455), (897, 72315), (1035, 62673), (1495, 43389), (1607, 40365), (1755, 36961), (2691, 24105), (3105, 20891), (4485, 14463), (4821, 13455), (8035, 8073)]