201997485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3818

約数の個数: 48

約数和(自身を含む): 376047360

約数和(自身を除く): 174049875

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 3719, 6035, 10863, 11157, 18105, 18595, 33471, 54315, 55785, 63223, 167355, 189669, 264049, 316115, 569007, 792147, 948345, 1320245, 2376441, 2845035, 3960735, 4488833, 11882205, 13466499, 22444165, 40399497, 67332495, 201997485]

約数ペア:

[(1, 201997485), (3, 67332495), (5, 40399497), (9, 22444165), (15, 13466499), (17, 11882205), (45, 4488833), (51, 3960735), (71, 2845035), (85, 2376441), (153, 1320245), (213, 948345), (255, 792147), (355, 569007), (639, 316115), (765, 264049), (1065, 189669), (1207, 167355), (3195, 63223), (3621, 55785), (3719, 54315), (6035, 33471), (10863, 18595), (11157, 18105)]