56380455

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:1997

約数の個数: 40

約数和(自身を含む): 102505392

約数和(自身を除く): 46124937

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1907, 1971, 3285, 5721, 5913, 9535, 9855, 17163, 28605, 29565, 51489, 85815, 139211, 154467, 257445, 417633, 696055, 772335, 1252899, 2088165, 3758697, 6264495, 11276091, 18793485, 56380455]

約数ペア:

[(1, 56380455), (3, 18793485), (5, 11276091), (9, 6264495), (15, 3758697), (27, 2088165), (45, 1252899), (73, 772335), (81, 696055), (135, 417633), (219, 257445), (365, 154467), (405, 139211), (657, 85815), (1095, 51489), (1907, 29565), (1971, 28605), (3285, 17163), (5721, 9855), (5913, 9535)]