2921775

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 4880640

約数和(自身を除く): 1958865

約数列:

[1, 3, 5, 15, 25, 75, 163, 239, 489, 717, 815, 1195, 2445, 3585, 4075, 5975, 12225, 17925, 38957, 116871, 194785, 584355, 973925, 2921775]

約数ペア:

[(1, 2921775), (3, 973925), (5, 584355), (15, 194785), (25, 116871), (75, 38957), (163, 17925), (239, 12225), (489, 5975), (717, 4075), (815, 3585), (1195, 2445)]