199597575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 344085120

約数和(自身を除く): 144487545

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 163, 435, 489, 563, 725, 815, 1689, 2175, 2445, 2815, 4075, 4727, 8445, 12225, 14075, 14181, 16327, 23635, 42225, 48981, 70905, 81635, 91769, 118175, 244905, 275307, 354525, 408175, 458845, 1224525, 1376535, 2294225, 2661301, 6882675, 7983903, 13306505, 39919515, 66532525, 199597575]

約数ペア:

[(1, 199597575), (3, 66532525), (5, 39919515), (15, 13306505), (25, 7983903), (29, 6882675), (75, 2661301), (87, 2294225), (145, 1376535), (163, 1224525), (435, 458845), (489, 408175), (563, 354525), (725, 275307), (815, 244905), (1689, 118175), (2175, 91769), (2445, 81635), (2815, 70905), (4075, 48981), (4727, 42225), (8445, 23635), (12225, 16327), (14075, 14181)]